RK

Robert O. Kretzschmar

📍 Brooklyn, NY: #3,650 of 6,894 inventorsTop 55%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #4,098,504 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4294523 Three-dimensional display apparatus Edward A. Woloshuk, Gregory J. Walz 1981-10-13