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

Larry D. Marshal — 1 Patent

CACascade: 1 patents #31 of 65Top 50%
Estacada, OR: #17 of 37 inventorsTop 50%
Oregon: #17,193 of 28,073 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Larry D. Marshal has been granted 1 US patent while listed as an inventor at Cascade. All of these patents were granted in 2003. Larry D. Marshal ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Larry D. Marshal in Estacada, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6572082 Railway boxcar door operating unit Thomas E. Dixon, James Brosh, Brian Campbell, Richard R. Estep 2003-06-03 $1,449,000