Arnold A. Cowan

GP Gem Products: 2 patents #9 of 19Top 50%

📍 Calabasas, CA: #930 of 4,119 inventorsTop 25%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,305,384 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D288708	Piercing valve	—	1987-03-10
4537214	Single seal pipeline tapping fixture having secure valve	—	1985-08-27
D262959	Shock absorber	—	1982-02-09
4305486	Dual damping control valve shock absorber	—	1981-12-15