John H. Collins

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Essex, GB

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Patents Grantslast 30 patents

Information Patent Grant
Phototropic materials
- Patent number 4,567,122
- Issue date Jan 28, 1986
- The Secretary of State for Defence in Her Britannic Majesty's Government of t...
- Peter J. Baldry
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY