Charles J. Trojahn

📍 Elmont, NY: #142 of 894 inventorsTop 20%

🗺 New York: #31,572 of 115,490 inventorsTop 30%

Overall (All Time): #1,208,347 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
8925665	Propulsion and directional control apparatus for an air cushion vehicle	—	2015-01-06
7306066	Air cushion vehicle and game	—	2007-12-11
4910030	Frozen confectionary product and method of making the same	—	1990-03-20
D297680	Filled frozen confection	—	1988-09-20