PG

Pierre Guerre-Berthelot

📍 Bellac, FR: #37 of 80 inventorsTop 50%
Overall (All Time): #4,096,945 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4290150 Protective helmets and fastening devices therefor — 1981-09-22