RS

Robert B. Stevens

📍 Honolulu, HI: #1 of 43 inventorsTop 3%
🗺 Hawaii: #1 of 85 inventorsTop 2%
Overall (1989): #2,269 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4878515 Water access preventer 1989-11-07
4841604 Detachable button 1989-06-27
4819276 Germicidal toilet seat 1989-04-11
4820259 External ear cleaning device 1989-04-11
4796240 Cartridge timepiece 1989-01-03