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John Hargrove — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
HAHughes Aircraft: 1 patents #1,260 of 2,963Top 45%
Brooks Road, CA: #336 of 1,361 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Hargrove has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1984 and the most recent in March 2022. John Hargrove ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Hargrove in Brooks Road, CA, US.

Patents per Year

Patents granted per year, 1984 to 2022Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841988: 1 patents19881990: 1 patents19902022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11280775 Simultaneous gated integrated detection device and process James McChesney Hargrove 2022-03-22
D309186 Dual-chambered hydro tub Spa — 1990-07-10
4761838 Contrast-healing water spa system — 1988-08-09
4488232 Self-adjusting, distributed control, access method for a multiplexed single-signal data bus Richard E. Swaney 1984-12-11

Frequent Collaborators

James McChesney Hargrove1 shared
Richard E. Swaney1 shared

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