TREA

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

Patents Applicationslast 30 patents