Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lois Scheffler — 2 Patents

TETeratech: 1 patents #16 of 32Top 50%
HP: 1 patents #11,359 of 7,018Top 165%
Derry, NH: #125 of 295 inventorsTop 45%
New Hampshire: #5,383 of 12,181 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Lois Scheffler has been granted 2 US patents. The first was granted in 1997 and the most recent in December 2003. Lois Scheffler ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Lois Scheffler in Derry, NH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6669633 Unitary operator control for ultrasonic imaging graphical user interface Michael Brodsky, Paula J. Hart, Alice M. Chiang 2003-12-30
5622173 Color flow display with compensation for flow direction Janice Bisson 1997-04-22 $63,015,000