TREA

with luminescent substances

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Industry

  • CPC
  • B43L3/002
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L3/00Writing or drawing underlays

Current Industry

B43L3/002with luminescent substances
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Photoluminescent writing pad and notepad or notebook
    • Patent number 10,308,064
    • Issue date Jun 4, 2019
    • Kalle Kinnunen
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Electroluminescent laminate assembly
    • Patent number 5,041,326
    • Issue date Aug 20, 1991
    • Becky J. Schroeder
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Device for writing in the dark
    • Patent number 4,969,068
    • Issue date Nov 6, 1990
    • Dean C. Williams
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electroluminescent sheet assembly
    • Patent number 4,725,761
    • Issue date Feb 16, 1988
    • Becky J. Schroeder
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Luminescent backing sheet for reading and writing in the dark
    • Patent number 3,978,340
    • Issue date Aug 31, 1976
    • Becky J. Schroeder
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3879611
    • Patent number 3,879,611
    • Issue date Apr 22, 1975
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3832556
    • Patent number 3,832,556
    • Issue date Aug 27, 1974
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    3344269
    • Patent number 3,344,269
    • Issue date Sep 26, 1967
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2883770
    • Patent number 2,883,770
    • Issue date Apr 28, 1959
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents