Walter E. Frankiewicz — 1 Patent

Walter E. Frankiewicz has been granted 1 US patent. All of these patents were granted in 1991. Walter E. Frankiewicz ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Walter E. Frankiewicz in Tiffin, OH, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5020008	Method of calibrating vehicle speed signals	John D. Chambers, Duncan E. Estep, Ronald W. Friend, James M. Lawson	1991-05-28	$5,208,000

Walter E. Frankiewicz — 1 Patent

Issued Patents All Time

Patent Widget