Photochemical Research Associates Inc.

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London, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Spark gap switch
- Patent number 4,481,630
- Issue date Nov 6, 1984
- Photochemical Research Associates Inc.
- Stephen J. C. Box
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Longitudinally pumped dye laser arrangement
- Patent number 4,475,201
- Issue date Oct 2, 1984
- Photochemical Research Associates Inc.
- Pay H. Chiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cascaded dye laser cavities
- Patent number 4,410,995
- Issue date Oct 18, 1983
- Photochemical Research Associates Inc.
- Pay H. Chiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dye cell holder for dye laser
- Patent number 4,404,679
- Issue date Sep 13, 1983
- Photochemical Research Associates Inc.
- Pay H. Chiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-intensity lamp having high pulse repetition rate and narrow pu...
- Patent number 4,159,510
- Issue date Jun 26, 1979
- Photochemical Research Associates, Inc.
- Ronald J. Kovach
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73327954 - NITROMITE
- Serial number 73327954
- Registration number 1228287
- Filing date Sep 14, 1981
- Photochemical Research Associates Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73200234 - PRA
- Serial number 73200234
- Registration number 1179885
- Filing date Jan 16, 1979
- Photochemical Research Associates, Incorporated
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments