Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David M. Douglas — 1 Patent

CCCompaq Computer: 1 patents #854 of 1,604Top 55%
Houston, TX: #12,430 of 21,073 inventorsTop 60%
Texas: #74,151 of 125,132 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David M. Douglas has been granted 1 US patent while listed as an inventor at Compaq Computer. All of these patents were granted in 1994. David M. Douglas ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David M. Douglas in Houston, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5375243 Hard disk password security system James D. Parzych, Richard J. Tomaszewski, Norman P. Brown, Roger P. Anderson, Kenneth W. Stufflebeam 1994-12-20 $20,970,000