Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William B. Maxwell — 2 Patents

ELElectroscan: 2 patents #2 of 10Top 20%
Dracut, MA: #95 of 234 inventorsTop 45%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William B. Maxwell has been granted 2 US patents while listed as an inventor at Electroscan. The first was granted in 1988 and the most recent in November 1989. William B. Maxwell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William B. Maxwell in Dracut, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4880976 Secondary electron detector for use in a gaseous atmosphere James F. Mancuso, Gerasimos D. Danilatos 1989-11-14
4785182 Secondary electron detector for use in a gaseous atmosphere James F. Mancuso, Gerasimos D. Danilatos 1988-11-15