David Wortner — 1 Patent at Handy Button Machine

David Wortner has been granted 1 US patent while listed as an inventor at Handy Button Machine. All of these patents were granted in 1997. David Wortner ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Wortner in Northlake, IL, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5613817	Plastic tack strip with interlock	E. Dan Bush	1997-03-25

David Wortner — 1 Patent

Issued Patents All Time

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