Twister Patent Issued: July 8, 1969
1969 · Washington, D.C., United States
The U.S. Patent Office issues a patent for the game Twister, which becomes a popular party game.
April 1, 1984
Marvin Pinsky patented the official pedestrian traffic light system, enhancing urban safety measures across the globe.
Washington, D.C., United States | U.S. Patent Office
I’m unable to find any information on Marvin Pinsky patenting a pedestrian traffic light system on April 1, 1984. This specific event does not appear to be recorded in historical patent databases or significant event logs. If you have another historical date or event you are interested in, please let me know, and I would be happy to provide information on it.
Source: patents.google.com