William W. Entzminger

📍 Richardson, TX: #770 of 2,156 inventorsTop 40%

🗺 Texas: #40,946 of 125,132 inventorsTop 35%

Overall (All Time): #1,611,144 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6591797	Variable fulcrum rocker arm	—	2003-07-15
4841799	Variable ratio lever arm mechanism	—	1989-06-27
4721007	Variable ratio lever arm mechanism	—	1988-01-26