HK

H. Carl B. Kramer

The Dow Chemical: 1 patents #2,215 of 4,115Top 55%
📍 Aachen, DE: #1,459 of 2,680 inventorsTop 55%
Overall (All Time): #3,994,064 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4583337 Flat roof structure Hans-Joachim Gerhardt 1986-04-22