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

Robert C. Brannan — 2 Patents

IBM: 2 patents #32,839 of 70,183Top 50%
Longmont, CO: #1,015 of 2,039 inventorsTop 50%
Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,365,164 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4318612 Hot roll fuser temperature control Robert Fogoros, Michael R. Headrick, Ainis Krumins, Robert F. Pryor 1982-03-09
4312589 Charge density control for an electrostatic copier Harvey R. Markham, Ben A. Nilsson 1982-01-26