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Robert Belfield — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Sayville, NY: #22 of 79 inventorsTop 30%
New York: #38,631 of 115,490 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Belfield has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in November 1993. Robert Belfield ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Belfield in Sayville, NY, US.

Patents per Year

Patents granted per year, 1980 to 1993Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801992: 1 patents19921993: 1 patents1993

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5265162 Portable pin card George Bush, Estelle Ross 1993-11-23
5130519 Portable pin card George Bush, Estelle Ross 1992-07-14
4190227 Vibration isolator and method for manufacturing same Chester L. Gilbert, Euland M. Bickham 1980-02-26 $111,000

Frequent Collaborators

George Bush2 shared
Estelle Ross2 shared
Chester L. Gilbert1 shared
Euland M. Bickham1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3