DO

Donald R. Obland

📍 Littleton, CO: #415 of 1,939 inventorsTop 25%
🗺 Colorado: #10,703 of 40,980 inventorsTop 30%
Overall (All Time): #1,308,412 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D274772 Collapsible tube winder — 1984-07-24
4442636 Dual head edge sharpening device for skis — 1984-04-17
4437579 Drug dispensing apparatus and removal tool — 1984-03-20
D256323 Cap remover — 1980-08-12