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

Dennis D. Lamberth — 3 Patents

CCCompaq Computer: 3 patents #362 of 1,604Top 25%
Houston, TX: #6,736 of 21,073 inventorsTop 35%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Dennis D. Lamberth has been granted 3 US patents while listed as an inventor at Compaq Computer. The first was granted in 1992 and the most recent in June 2000. Dennis D. Lamberth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Dennis D. Lamberth in Houston, TX, US.

Patents per Year

Patents granted per year, 1992 to 2000Bar chart with a peak of 1 patents in 1992.peak 11992: 1 patents19921997: 1 patents19972000: 1 patents2000

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6081421 Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame Mitchell A. Markow, Michael S. Lempicki, David Gough 2000-06-27 $81,950,000
5682290 Portable computer having loudspeakers in enclosures formed by gaskets located between a keyboard, a printed circuit board, and a frame Mitchell A. Markow, Michael S. Lempicki, David Gough 1997-10-28 $437,309,000
5154456 Security locking bracket apparatus for a portable computer Donald E. Moore, Thomas C. Kreiner 1992-10-13 $38,221,000