JG

Jack M. Grinwis

📍 Pittsburgh, PA: #2,489 of 7,570 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,664,645 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5016648 Limb protective covering Ronald E. Brown 1991-05-21
4530350 Limb protective coverings Ronald E. Brown 1985-07-23
4254765 Limb protective coverings Ronald E. Brown 1981-03-10