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

Christopher A. Durgin — 4 Patents

NSNomadic Structures: 4 patents #2 of 10Top 20%
Springfield, VA: #115 of 553 inventorsTop 25%
Virginia: #7,565 of 34,511 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Christopher A. Durgin has been granted 4 US patents while listed as an inventor at Nomadic Structures. The first was granted in 1995 and the most recent in September 1997. Christopher A. Durgin ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher A. Durgin in Springfield, VA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D382997 Combined carrying case and step stool Arthur G. Carr 1997-09-02
D367786 Counter Arthur G. Carr 1996-03-12
5486043 Carrying case having detachable step stool Arthur G. Carr, William D. Griffiths, J. Alexander Hill 1996-01-23
5402738 Collapsible counter assembly Arthur G. Carr 1995-04-04