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Robert W. Graebe — 3 Patents

RORoho: 2 patents #17 of 26Top 70%
Belleville, IL: #40 of 206 inventorsTop 20%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert W. Graebe has been granted 3 US patents while listed as an inventor at Roho. The first was granted in 1992 and the most recent in February 2004. Robert W. Graebe ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert W. Graebe in Belleville, IL, US.

Patents per Year

Patents granted per year, 1992 to 2004Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19922003: 1 patents20032004: 1 patents2004

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6687936 Valve for zoned cellular cushion Robert Klotz, Paul A. Rickman, Dennis L. Clapper 2004-02-10
6564410 Valve for zoned cellular cushion Robert Klotz, Paul A. Rickman 2003-05-20
5152023 Cellular cushion having sealed cells — 1992-10-06

Frequent Collaborators

Paul A. Rickman2 shared
Robert Klotz2 shared
Dennis L. Clapper1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3