DL

Donald L. Lehman

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Hagerstown, MD: #113 of 223 inventorsTop 55%
🗺 Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,964,902 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4791883 Disposable litter boxes Richard G. Lutzke, Robert W. Beichler, Jr. 1988-12-20