Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Robert D. Harr — 5 Patents

KRKryptonics: 3 patents #1 of 5Top 20%
RORollerblade: 1 patents #29 of 42Top 70%
TSTecnica Group S.P.A.: 1 patents #15 of 41Top 40%
Wheat Ridge, CO: #27 of 146 inventorsTop 20%
Colorado: #9,021 of 40,980 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert D. Harr has been granted 5 US patents while listed as an inventor at Kryptonics. The first was granted in 1992 and the most recent in January 1999. Robert D. Harr ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert D. Harr in Wheat Ridge, CO, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5855383 In-line roller skate with interception of vibrations Antonello Marega, Andrea Gabrielli 1999-01-05
5765841 In-line skate with full access frame Robert K. Johnson, Lloyd G. Keleny, Timothy J. Wiener, Randy C. Peterson, Michael Racosky 1998-06-16
D339320 Wheel 1993-09-14
D330883 Wheel hub 1992-11-10
D330884 Wheel 1992-11-10