Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FS

Francis C. Smith

Croydon, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #1,684,849 of 4,157,543Top 45%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4344433 Ostomates appliance 1982-08-17
4283801 Hydraulic cylinder for multilevel submersible safety deck or decks for pools 1981-08-18
4244760 Fixing of ends of wood or reinforced plastic rungs into pultruded fibreglass reinforced plastic extension ladder stiles without the use of metal 1981-01-13