Shutters in optical systems

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Industry

CPC
B41B21/02

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41BMACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE TYPE PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES B41B21/00Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00

Current Industry

B41B21/02Shutters in optical systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
3291015
- Patent number 3,291,015
- Issue date Dec 13, 1966
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
2652755
- Patent number 2,652,755
- Issue date Sep 22, 1953
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS