Intellectual Property Insights from Fishman Stewart PLLC
Newsletter – Volume 23, Issue 14
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PATENTS IN RED, WHITE, AND BOOM!
As we prepare to celebrate our nation’s independence, our plans include parties, picnics, and parades which often conclude with an evening of fireworks. It has become quite the tradition and an integral part of the festivities.
The development of fireworks dates back over 2,000 years starting with the development of gunpowder in China. Initially, gunpowder was used for medicinal purposes, but its explosive properties were soon recognized, and Chinese innovators began harnessing gunpowder for entertainment, celebrations, and other applications.
As time passed, China developed more sophisticated fireworks. They discovered that different chemical compounds and additives could produce a variety of colorful effects. By adding various metal salts to gunpowder mixtures, they achieved vibrant colors like red, green, and yellow. This advancement allowed for the creation of dazzling visual displays in the night sky.
But can it be true that something as old and time-tested as fireworks have experienced continued innovation and development since their origins in ancient China?
The use of fireworks for celebration stretched globally over the centuries and by the 17th and 18th centuries, fireworks had reached the American colonies. The colonists adopted the use of fireworks for various occasions, including political rallies, Independence Day celebrations, and other festivities. John Adams advocated for fireworks as part of the Fourth of July celebrations, famously writing:
“It ought to be solemnized with Pomp and Parade, with Shews, Games, Sports, Guns, Bells, Bonfires and Illuminations from one End of this Continent to the other from this Time forward forever more.”
Fireworks thus quickly became an integral part of the American tradition – with innovations fueled by the nation’s patent system. T.M. Pierce developed a fireworks torch in 1893 and A.J. Lutz toy fireworks in 1899. The humble sparkler arrived on the scene in 1934 and a shielded holder in 1941. Focus in recent years has been on other issues, with a harmless firework in 1973, a patent for decreased environmental impact in 1994, and a patent to reduce animal anxiety in 2016.
But the products themselves are clearly still under active development. An inventor in China recently patented the famous firework with a smiling face effect – which many of us have seen (the smiling face is shown in Figure 2), a light display method and fireworks shell from an inventor in Japan, and a recently issued U.S. patent for cold fireworks.
From their humble origins in ancient China to the extravagant displays witnessed around the world today, fireworks have evolved into an integral part of cultural celebrations and joyous events. They continue to captivate audiences, evoke awe and wonder, and symbolize the collective human desire to celebrate, commemorate, and marvel at the beauty of light and color in the night sky.
We can trust that inventors worldwide will continue innovating and we look forward to new experiences in years to come.
Paul Ratzmann is a partner at Fishman Stewart and a registered patent attorney, practicing in many technology fields. As an engineer, before he became a patent attorney, Paul was an inventor and is listed on eleven US patents, such as the one listed here.
The ESD TechCentury Student Writing Contest Returns for 2023
Fishman Stewart is honored to again sponsor the 2023 Engineering Society of Detroit’s (ESD) TechCentury Student Writing Contest to promote and engage student voices and ideas about the engineering profession. The contest is open to all students studying engineering or a related field at Michigan universities, with the top three finishers being published in the ESD’s January 2024 edition of the TechCentury magazine, and a $1,000 scholarship award to the first-place finisher.
Fishman Stewart is proud to support the educational pursuits of a future generation of innovative minds and looks forward to the contest.
For more information, please contact Susan Thwing at sthwing@esd.org.
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First, a big “thank you” to all our readers who have given feedback on our newsletter. We appreciate your interest and insights. It is always a treat to hear from you! Second, we wanted to provide you with updates on some of our most popular articles
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