Charles A. Grudzinskas

📍 Ada, MI: #89 of 245 inventorsTop 40%

🗺 Michigan: #22,048 of 86,293 inventorsTop 30%

Overall (All Time): #1,305,423 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4651554	Circuit breaker lock forming tool	—	1987-03-24
4619481	Inflatable seat cushion assembly	—	1986-10-28
D283834	Combined toilet and urinal	—	1986-05-13
4581502	Circuit breaker locking device and method, and lock forming tool	—	1986-04-08