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USPTO Patent Rankings Data through Dec 31, 2025
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William D. Griffiths — 2 Patents

NSNomadic Structures: 2 patents #3 of 10Top 30%
Annandale, VA: #107 of 315 inventorsTop 35%
Virginia: #12,799 of 34,511 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William D. Griffiths has been granted 2 US patents while listed as an inventor at Nomadic Structures. The first was granted in 1991 and the most recent in January 1996. William D. Griffiths ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William D. Griffiths in Annandale, VA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5486043 Carrying case having detachable step stool Arthur G. Carr, Christopher A. Durgin, J. Alexander Hill 1996-01-23
5044595 Collapsible podium Arthur G. Carr 1991-09-03