Ralph S. Hafle — 3 Patents at Bei Electronics

Ralph S. Hafle has been granted 3 US patents while listed as an inventor at Bei Electronics. The first was granted in 1982 and the most recent in May 1991. Ralph S. Hafle ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralph S. Hafle in Bentonville, AR, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5017772	Fiber optic probe sensor for measuring target displacement	—	1991-05-21	$1,147,000
4628298	Chain code encoder	Mark D. Love	1986-12-09
4362358	Optical encoder having only one or two fiber optic cables	—	1982-12-07

Ralph S. Hafle — 3 Patents

Issued Patents All Time

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