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Patrick R. Roach — 1 Patent

ADArch Development: 1 patents #150 of 350Top 45%
Darien, IL: #155 of 266 inventorsTop 60%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Patrick R. Roach has been granted 1 US patent while listed as an inventor at Arch Development. All of these patents were granted in 1988. Patrick R. Roach ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Patrick R. Roach in Darien, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4770006 Helium dilution refrigeration system Kenneth E. Gray 1988-09-13

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