Walter E. Northrup — 1 Patent at 3M

Walter E. Northrup has been granted 1 US patent while listed as an inventor at 3M. All of these patents were granted in 1987. Walter E. Northrup ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Walter E. Northrup in Windom, MN, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4710414	Fastener assembly with heat shrinkable film cover	Maurice E. Freeman	1987-12-01	$6,602,000

Walter E. Northrup — 1 Patent

Issued Patents All Time

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