David J. Boyle

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Leixlip, IE

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Patents Grantslast 30 patents

Information Patent Grant
Imprinter apparatus with changeable cassette imprint roller structure
- Patent number 4,802,412
- Issue date Feb 7, 1989
- Security Imprinter Corporation
- David G. Edwards
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Imprinter apparatus with document activated document and card carrier
- Patent number 4,744,296
- Issue date May 17, 1988
- Security Imprinter Corporation
- David G. Edwards
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS