Robin John Freeman

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Patents Grantslast 30 patents

Information Patent Grant
Optical magnifying apparatus
- Patent number 5,477,385
- Issue date Dec 19, 1995
- Vision Engineering Limited
- Robin J. Freeman
- G02 - OPTICS
Information Patent Grant
Pupil enlargement component for an optical device
- Patent number 4,168,106
- Issue date Sep 18, 1979
- Vision Engineering Limited
- Robin J. Freeman
- G02 - OPTICS
Information Patent Grant
High magnification optical apparatus with rotatable reflective lent...
- Patent number 4,099,831
- Issue date Jul 11, 1978
- Vision Engineering, Ltd.
- Robin John Freeman
- G02 - OPTICS