David J. Boyle — 2 Patents at Security Imprinter

David J. Boyle has been granted 2 US patents while listed as an inventor at Security Imprinter. The first was granted in 1988 and the most recent in February 1989. David J. Boyle ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David J. Boyle in Leixlip, IE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4802412	Imprinter apparatus with changeable cassette imprint roller structure	David G. Edwards, Gerard Finlay, Clyde C. Heasly, Jr., Joseph M. Walsh, Ralph J. Poling	1989-02-07
4744296	Imprinter apparatus with document activated document and card carrier	David G. Edwards, Gerard Finlay	1988-05-17

David J. Boyle — 2 Patents

Issued Patents All Time

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