Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › IBM › David Patrick Spencer
DS

David Patrick Spencer — 3 Patents

IBM: 1 patents #44,878 of 70,183Top 65%
Endwell, NY: #102 of 267 inventorsTop 40%
New York: #38,631 of 115,490 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Patrick Spencer has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1991 and the most recent in August 2008. David Patrick Spencer ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Patrick Spencer in Endwell, NY, US.

Patents per Year

Patents granted per year, 1991 to 2008Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19912005: 1 patents20052008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7415867 Golf shaft and club flex neutralization/matching and method for manufacturing same David Bechtel 2008-08-26
6895680 Golf head and shaft with flex neutralization and method for manufacturing same Max Lee, David Bechtel 2005-05-24
4989139 Map case network virtual connection interface system Robert M. Friedman, Grayson W. Randall, Richard J. Sheftic 1991-01-29 $19,270,000

Frequent Collaborators

David Bechtel2 shared
Grayson W. Randall1 shared
Richard J. Sheftic1 shared
Max Lee1 shared
Robert M. Friedman1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3