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Helmut Ruff — 1 Patent

RIRicon: 1 patents #20 of 48Top 45%

Kitchener, CA: #813 of 1,348 inventorsTop 65%

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

1 Patents All Time

Helmut Ruff has been granted 1 US patent while listed as an inventor at Ricon. All of these patents were granted in 1996. Helmut Ruff ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Helmut Ruff in Kitchener, ON, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5533594	Chairlift with positioning carriage and swivel mechanism with safety interlock	Jules Tremblay, David C. Balmer	1996-07-09

Helmut Ruff — 1 Patent

Issued Patents All Time

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