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USPTO Patent Rankings Data through Dec 31, 2025
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Bernard G. Sheldon — 2 Patents

DYDynapol: 2 patents #12 of 27Top 45%
Palo Alto, CA: #5,765 of 9,675 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bernard G. Sheldon has been granted 2 US patents while listed as an inventor at Dynapol. The first was granted in 1984 and the most recent in July 1985. Bernard G. Sheldon ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bernard G. Sheldon in Palo Alto, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4532128 Quaternary ammonium group-containing polymers having antimicrobial activity Robert E. Wingard, Jr., Ned M. Weinshenker, Daniel J. Dawson 1985-07-30
4482680 Quaternary ammonium group-containing polymers having antimicrobial activity Robert E. Wingard, Jr., Ned M. Weinshenker, Daniel J. Dawson 1984-11-13