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Michael Parham — 3 Patents

SGSigma Game: 1 patents #8 of 15Top 55%
Las Vegas, NV: #942 of 3,439 inventorsTop 30%
Nevada: #2,443 of 8,397 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Michael Parham has been granted 3 US patents while listed as an inventor at Sigma Game. The first was granted in 1987 and the most recent in February 1994. Michael Parham ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Michael Parham in Las Vegas, NV, US.

Patents per Year

Patents granted per year, 1987 to 1994Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871991: 1 patents19911994: 1 patents1994

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D344296 Slant-top gaming machine Linn Anthony McKay, Frank C. DeSimone 1994-02-15
5066261 Coin hopper assembly — 1991-11-19
D292423 Game machine door David E. Williams, Loren English 1987-10-20

Frequent Collaborators

Frank C. DeSimone1 shared
Loren English1 shared
Linn Anthony McKay1 shared
David E. Williams1 shared

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