Ruth B. MacPherson — 1 Patent | Patent Leaderboard

Ruth B. MacPherson has been granted 1 US patent. All of these patents were granted in 1981. Ruth B. MacPherson ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ruth B. MacPherson in Belfast, ME, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4259784	Magnified graphical copier	—	1981-04-07

Ruth B. MacPherson — 1 Patent

Issued Patents All Time

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