FK

Francis C. Keffer

📍 Annapolis, MD: #235 of 661 inventorsTop 40%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,373,085 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D254627 Hand-held shower head Charles M. Kelly 1980-04-01
4193553 Hand-held shower head Charles M. Kelly 1980-03-18