David M. Holley

PC Power Components: 4 patents #1 of 3Top 35%

📍 Iron River, MI: #84 of 361 inventorsTop 25%

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

Overall (All Time): #1,298,359 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5129635	Gas spring with C-shaped seal	—	1992-07-14
4838527	Convertible gas spring	—	1989-06-13
4792128	No grow gas spring	—	1988-12-20
4550899	Pneumatic spring	—	1985-11-05