TREA

Efrem M. Ostrowsky

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  • Highland Park, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Press-to-open dispensing closure
    • Patent number 5,735,438
    • Issue date Apr 7, 1998
    • Efrem Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Atomizing pump
    • Patent number 4,986,453
    • Issue date Jan 22, 1991
    • The Pittway Corporation
    • Jean-Pierre Lina
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Two-piece, snap-action closure
    • Patent number 4,887,747
    • Issue date Dec 19, 1989
    • Seaquist Closures, a division of Pittway Corporation
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Self-closing, press-to-open, dispensing closure
    • Patent number 4,776,501
    • Issue date Oct 11, 1988
    • Seaquist Closures
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-evident dispensing closure
    • Patent number 4,487,324
    • Issue date Dec 11, 1984
    • Seaquist Closures
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-indicating closure
    • Patent number 4,478,343
    • Issue date Oct 23, 1984
    • Ethyl Molded Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-indicating closure
    • Patent number 4,470,513
    • Issue date Sep 11, 1984
    • Ethyl Molded Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Threaded closure with liner
    • Patent number 4,462,502
    • Issue date Jul 31, 1984
    • Ethyl Molded Products Company
    • Werner R. Luenser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-indicating closure
    • Patent number 4,458,822
    • Issue date Jul 10, 1984
    • Ethyl Molded Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamper-indicating closure
    • Patent number 4,458,821
    • Issue date Jul 10, 1984
    • Ethyl Molded Products Company
    • Efrem M. Ostrowsky
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Vented closure
    • Patent number 4,427,126
    • Issue date Jan 24, 1984
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Overcenter hinge
    • Patent number 4,414,705
    • Issue date Nov 15, 1983
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamperproof closure
    • Patent number 4,402,418
    • Issue date Sep 6, 1983
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Vented closure
    • Patent number 4,382,521
    • Issue date May 10, 1983
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Threaded closure with free-floating liner
    • Patent number 4,381,840
    • Issue date May 3, 1983
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamperproof closure
    • Patent number 4,369,889
    • Issue date Jan 25, 1983
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tamperproof closure
    • Patent number 4,206,851
    • Issue date Jun 10, 1980
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Dispenser cap for a pressurized container
    • Patent number D255012
    • Issue date May 20, 1980
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Plastic container
    • Patent number 4,133,449
    • Issue date Jan 9, 1979
    • Ethyl Products Company
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cap and valve actuator for spray dispensers
    • Patent number 4,053,090
    • Issue date Oct 11, 1977
    • VCA Corporation
    • Ronald L. Kelly
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Safety actuator cap
    • Patent number 4,011,970
    • Issue date Mar 15, 1977
    • VCA Corporation
    • William G. Crowle
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Safety cap
    • Patent number 4,002,275
    • Issue date Jan 11, 1977
    • VCA Corporation
    • William G. Crowle
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Safety closure means
    • Patent number 3,993,208
    • Issue date Nov 23, 1976
    • VCA Corporation
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plastic container
    • Patent number 3,968,880
    • Issue date Jul 13, 1976
    • VCA Corporation
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Housing for container
    • Patent number 3,954,201
    • Issue date May 4, 1976
    • VCA Corporation
    • Efrem M. Ostrowsky
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL