RD

Robert C. Drews

📍 Chesterfield, MO: #10 of 244 inventorsTop 5%
🗺 Missouri: #45 of 859 inventorsTop 6%
Overall (1989): #17,307 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878493 Hand-held diathermy apparatus Eliezer Pasternak, Tadmor Shalon 1989-11-07
4817599 To and fro washing system and method 1989-04-04