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

Dennis G. Howe

Lisbon, ME: #1 of 4 inventorsTop 25%
Maine: #131 of 434 inventorsTop 35%
Overall (2016): #419,708 of 481,213Top 90%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9410375 Rapid installation and removal ladder slide prevention system Kathy L Page 2016-08-09