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Roger D. Ryan — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Compton, CA: #47 of 111 inventorsTop 45%

California: #249,524 of 386,348 inventorsTop 65%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Roger D. Ryan has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1992. Roger D. Ryan ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Roger D. Ryan in Compton, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5171485	Scent emitting device for automobiles	—	1992-12-15

Roger D. Ryan — 1 Patent

Issued Patents All Time

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