Walter Besenmatter

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Vienna, OE

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Patents Grantslast 30 patents

Information Patent Grant
Afocal front attachment for zoom objective
- Patent number 4,094,587
- Issue date Jun 13, 1978
- Vockenhuber; Karl
- Walter Besenmatter
- G02 - OPTICS
Information Patent Grant
Camera objective of variable focal length
- Patent number 4,087,160
- Issue date May 2, 1978
- Vockenhuber; Karl
- Walter Besenmatter
- G02 - OPTICS
Information Patent Grant
Basic lens assembly for series of zoom objectives of different vari...
- Patent number 4,066,340
- Issue date Jan 3, 1978
- Vockenhuber; Karl
- Walter Besenmatter
- G02 - OPTICS
Information Patent Grant
Reflex finder
- Patent number 3,989,349
- Issue date Nov 2, 1976
- Vockenhuber; Karl
- Walter Besenmatter
- G02 - OPTICS
Information Patent Grant
Pancratic wide-angle objective
- Patent number 3,942,874
- Issue date Mar 9, 1976
- Vockenhuber; Karl
- Walter Besenmatter
- G02 - OPTICS