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

Robert E. GRAHAM — 2 Patents

TTTrailer Train: 1 patents #7 of 15Top 50%
Omaha, NE: #657 of 2,015 inventorsTop 35%
Nebraska: #1,912 of 5,697 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. GRAHAM has been granted 2 US patents while listed as an inventor at Trailer Train. The first was granted in 1989 and the most recent in October 2001. Robert E. GRAHAM ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. GRAHAM in Omaha, NE, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6306036 Computer game with replaceable character heads Patrick P Burns, Stewart Lindsay Clark, Kirk Mitchell Ewing, Malcolm Scott Maxwell, Christiaan Richard David van der Kuyl 2001-10-23
4805875 Jack assembly for railroad cars Kenneth J. Jackson, Jagdish K. Shah 1989-02-21 $32,126,000