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

Doug Mullin

AUAutodesk: 2 patents #320 of 1,046Top 35%
Portland, OR: #4,612 of 9,213 inventorsTop 55%
Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,200,635 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6618851 Method and apparatus for state-reversion Robert E. Zundel, James M. Synge, Scott Borduin 2003-09-09
6543006 Method and apparatus for automatic undo support Robert E. Zundel, James M. Synge 2003-04-01