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

Don Spann — 1 Patent

ENEncad: 1 patents #23 of 38Top 65%
San Diego, CA: #15,804 of 23,606 inventorsTop 70%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Don Spann has been granted 1 US patent while listed as an inventor at Encad. All of these patents were granted in 2000. Don Spann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Don Spann in San Diego, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6036380 Printer having a plastic platen Dennis J. Astroth, Gary Graham, Scott D. Slade, Barry Schwartz, Truong Nguyen +1 more 2000-03-14 $1,058,000