RC

Robert Cooper

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Ulysses, KS: #1 of 2 inventorsTop 50%
🗺 Kansas: #8 of 413 inventorsTop 2%
Overall (1989): #7,630 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4831321 Trickle jumping charging device — 1989-05-16
4819977 Objectionable waste material retrieval and bagging device — 1989-04-11
4796599 Portable cooking grill device — 1989-01-10