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Roger St. John — 1 Patent

GDGt Development: 1 patents #11 of 17Top 65%
Seattle, WA: #14,256 of 21,776 inventorsTop 70%
Washington: #48,569 of 76,902 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Roger St. John has been granted 1 US patent while listed as an inventor at Gt Development. All of these patents were granted in 1990. Roger St. John ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Roger St. John in Seattle, WA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4976104 Combined switch and valve for compressor powered inflatable John Michael Morris 1990-12-11

Frequent Collaborators

John Michael Morris1 shared

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