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

David E. Spring — 1 Patent

Comcast: 1 patents #2,448 of 4,447Top 60%
Keizer, OR: #23 of 55 inventorsTop 45%
Oregon: #17,193 of 28,073 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David E. Spring has been granted 1 US patent while listed as an inventor at Comcast. All of these patents were granted in 2001. David E. Spring ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David E. Spring in Keizer, OR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6295794 Joint compound including recycled constituents and method and system for making the same Frank Juergen Nordt, Jason Everett, Duane L. Whipple 2001-10-02 $5,465,000