TREA

Wilfred H. Gendron

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  • Wilbraham, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Letter sheet with return envelope
    • Patent number 4,730,767
    • Issue date Mar 15, 1988
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Remailable envelope
    • Patent number 4,730,768
    • Issue date Mar 15, 1988
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Envelope with concealed message window
    • Patent number 4,597,591
    • Issue date Jul 1, 1986
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Detachable tip-on envelope
    • Patent number 4,579,277
    • Issue date Apr 1, 1986
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper detection envelope
    • Patent number 4,566,627
    • Issue date Jan 28, 1986
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Two way envelope
    • Patent number 4,487,360
    • Issue date Dec 11, 1984
    • Westvaco Corporation
    • Harland S. Fisher
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Door hanger envelope
    • Patent number 4,462,538
    • Issue date Jul 31, 1984
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Non-gusseted expansible envelope
    • Patent number 4,294,400
    • Issue date Oct 13, 1981
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Compartmented envelope
    • Patent number 4,190,161
    • Issue date Feb 26, 1980
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Two compartmented envelope
    • Patent number 4,129,214
    • Issue date Dec 12, 1978
    • Westvaco Corporation
    • Wilfred H. Gendron
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of making a combined brochure and return envelope package
    • Patent number 3,999,746
    • Issue date Dec 28, 1976
    • United States Envelope Company
    • Wilfred Gendron
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Combined brochure and return envelope package
    • Patent number 3,941,309
    • Issue date Mar 2, 1976
    • United States Envelope Company
    • Wilfred H. Gendron
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER