TREA

Hectographic line duplicators

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Industry

  • CPC
  • B41P2700/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS B41P2700/00Manifolding, printing or duplicating for office purposes

Current Industry

B41P2700/10Hectographic line duplicators
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3645979
    • Patent number 3,645,979
    • Issue date Feb 29, 1972
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3616749
    • Patent number 3,616,749
    • Issue date Nov 2, 1971
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3528369
    • Patent number 3,528,369
    • Issue date Sep 15, 1970
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3515061
    • Patent number 3,515,061
    • Issue date Jun 2, 1970
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3508487
    • Patent number 3,508,487
    • Issue date Apr 28, 1970
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3502262
    • Patent number 3,502,262
    • Issue date Mar 24, 1970
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3489081
    • Patent number 3,489,081
    • Issue date Jan 13, 1970
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3468245
    • Patent number 3,468,245
    • Issue date Sep 23, 1969
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3464349
    • Patent number 3,464,349
    • Issue date Sep 2, 1969
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3461797
    • Patent number 3,461,797
    • Issue date Aug 19, 1969
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3420163
    • Patent number 3,420,163
    • Issue date Jan 7, 1969
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3418933
    • Patent number 3,418,933
    • Issue date Dec 31, 1968
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3416443
    • Patent number 3,416,443
    • Issue date Dec 17, 1968
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3366213
    • Patent number 3,366,213
    • Issue date Jan 30, 1968
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3358593
    • Patent number 3,358,593
    • Issue date Dec 19, 1967
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3335662
    • Patent number 3,335,662
    • Issue date Aug 15, 1967
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3323449
    • Patent number 3,323,449
    • Issue date Jun 6, 1967
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3283701
    • Patent number 3,283,701
    • Issue date Nov 8, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3283706
    • Patent number 3,283,706
    • Issue date Nov 8, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3242854
    • Patent number 3,242,854
    • Issue date Mar 29, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3238868
    • Patent number 3,238,868
    • Issue date Mar 8, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3233538
    • Patent number 3,233,538
    • Issue date Feb 8, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3220342
    • Patent number 3,220,342
    • Issue date Nov 30, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3216351
    • Patent number 3,216,351
    • Issue date Nov 9, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3192855
    • Patent number 3,192,855
    • Issue date Jul 6, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3170391
    • Patent number 3,170,391
    • Issue date Feb 23, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3158091
    • Patent number 3,158,091
    • Issue date Nov 24, 1964
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3153379
    • Patent number 3,153,379
    • Issue date Oct 20, 1964
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3138093
    • Patent number 3,138,093
    • Issue date Jun 23, 1964
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3083638
    • Patent number 3,083,638
    • Issue date Apr 2, 1963
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS