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USPTO Patent Rankings Data through Dec 31, 2025
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David S. Shaffer — 7 Patents

CCCompaq Computer: 5 patents #216 of 1,604Top 15%
EMEmc: 1 patents #1,879 of 3,345Top 60%
TITexas Instruments: 1 patents #7,388 of 12,488Top 60%
Dallas, TX: #1,130 of 7,543 inventorsTop 15%
Texas: #21,608 of 125,132 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
David S. Shaffer has been granted 7 US patents while listed as an inventor at Compaq Computer. The first was granted in 1990 and the most recent in September 2014. David S. Shaffer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list David S. Shaffer in Dallas, TX, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8825919 Path performance data collection Ju-Lien Lim, Hanna Yehuda, Rony R. Baenziger, Gary K. Roberts, Mark Arakelian 2014-09-02 $14,711,000
6249814 Method and apparatus for identifying devices on a network Richard A. Stupek, William D. Justice, Jr. 2001-06-19 $27,502,000
5960189 Automatic computer upgrading Richard A. Stupek, Curtis R. Jones, Steve Davis, William D. Justice, Jr. 1999-09-28 $78,647,000
5809287 Automatic computer upgrading Richard A. Stupek, Curtis R. Jones, Steve Davis, William D. Justice, Jr. 1998-09-15 $48,638,000
5588143 Automatic computer upgrading Richard A. Stupek, Curtis R. Jones, Steve Davis, William D. Justice, Jr. 1996-12-24 $68,210,000
5586304 Automatic computer upgrading Richard A. Stupek, Curtis R. Jones, Steve Davis, William D. Justice, Jr. 1996-12-17 $68,021,000
4980578 Fast sense amplifier Kevin M. Ovens 1990-12-25