Assignee
PROTOCOL ENG LTD
GB·5 granted patents·72 citations·filing 1974–1984
Top patents by PatentIndex Score
5 records- 0177US4380956AMounting of flexible printing platesPROTOCOL ENG LTD·Filed 1981·Granted Apr 26, 1983·32 cites·16 claims
- 0253US4594499AApparatus for producing a line of separation in a plastic work surfacePROTOCOL ENG LTD·Filed 1984·Granted Jun 10, 1986·21 cites·12 claims
- 0351US3946588AMethods of and apparatus for edge-forming metallic platesPROTOCOL ENG LTD·Filed 1974·Granted Mar 30, 1976·14 cites·15 claims
- 0437US4380946AFilm punch registrationPROTOCOL ENG LTD·Filed 1980·Granted Apr 26, 1983·3 cites·14 claims
- 0522US4517036AMaking of printing platesPROTOCOL ENG LTD·Filed 1983·Granted May 14, 1985·2 cites·14 claims
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