Protocol Engineering Limited

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Patents Grantslast 30 patents

Information Patent Grant
Film registration apparatus and method
- Patent number 5,012,345
- Issue date Apr 30, 1991
- Protocol Engineering PLC
- Trevor P. Elworthy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for producing a line of separation in a plastic work surface
- Patent number 4,594,499
- Issue date Jun 10, 1986
- Protocol Engineering Limited
- Colin Rapsey
- B44 - DECORATIVE ARTS
Information Patent Grant
Making of printing plates
- Patent number 4,517,036
- Issue date May 14, 1985
- Protocol Engineering Limited
- John H. Elworthy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mounting of flexible printing plates
- Patent number 4,380,956
- Issue date Apr 26, 1983
- Protocol Engineering Limited
- Graham J. Elworthy
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Film punch registration
- Patent number 4,380,946
- Issue date Apr 26, 1983
- Protocol Engineering Limited
- Donald Mayston
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods of and apparatus for edge-forming metallic plates
- Patent number 3,946,588
- Issue date Mar 30, 1976
- Protocol Engineering Limited
- Donald Mayston
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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Trademarklast 30 trademarks

Information Trademark
73510930 - P
- Serial number 73510930
- Registration number 1368641
- Filing date Nov 28, 1984
- Protocol Engineering Limited
- 6 - Common metals and their alloys
Information Trademark
73653994 - P
- Serial number 73653994
- Registration number 1470510
- Filing date Nov 28, 1984
- Protocol Engineering Limited
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73386525 - PROTOSTIK
- Serial number 73386525
- Registration number 1328076
- Filing date Sep 16, 1982
- Protocol Engineering Limited
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73363270 - PROTOCOL
- Serial number 73363270
- Registration number 1282136
- Filing date May 6, 1982
- Protocol Engineering Limited
- 7 - Machines and machine tools