DK

Donald W. Karal

SC Schlegel: 1 patents #2 of 10Top 20%
🗺 New York: #804 of 3,580 inventorsTop 25%
Overall (1982): #18,179 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361922 Cleaning brush for electrostatic copiers, printers and the like — 1982-12-07