TREA

Ronald F. Ewald

Follow

Person

  • Rolling Meadows, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Child-resistant spray through cover
    • Patent number 4,325,497
    • Issue date Apr 20, 1982
    • Knight Engineering and Molding Co.
    • Ronald F. Ewald
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Continuous spray button
    • Patent number 4,243,161
    • Issue date Jan 6, 1981
    • Seaquist Valve Co., Div. of Pittway Corp.
    • Ronald F. Ewald
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Variable spray valve assembly
    • Patent number 4,139,128
    • Issue date Feb 13, 1979
    • Seaquist Valve Co., a Division of Pittway Corporation
    • Ronald F. Ewald
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double seal valve stem
    • Patent number 4,013,197
    • Issue date Mar 22, 1977
    • Seaquist Valve Company, Div. of Pittway Corporation
    • Ronald F. Ewald
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self priming mechanism for dispenser
    • Patent number 3,938,711
    • Issue date Feb 17, 1976
    • Seaquist Valve Company
    • Ronald F. Ewald
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL