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Home › Handy Button Machine › David Wortner

David Wortner — 1 Patent

HMHandy Button Machine: 1 patents #9 of 18Top 50%

Northlake, IL: #20 of 45 inventorsTop 45%

Illinois: #49,230 of 84,256 inventorsTop 60%

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

1 Patents All Time

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.

Issued Patents All Time

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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