TREA

Roland L. Hagemeyer

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  • Rochelle, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric interlock for spreader
    • Patent number 8,505,838
    • Issue date Aug 13, 2013
    • Louis Berkman Company
    • Bob Schaefer
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Mount and feeder arrangement for a precision placement spreader
    • Patent number 6,398,137
    • Issue date Jun 4, 2002
    • The Louis Berkman Company
    • Kenneth P. Manon
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rotatable feedgate
    • Patent number 6,361,266
    • Issue date Mar 26, 2002
    • The Louis Berkman Company
    • Roland L. Hagemeyer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Mount and feeder arrangement for a precision placement spreader
    • Patent number 6,220,532
    • Issue date Apr 24, 2001
    • The Louis Berkman Company
    • Kenneth P. Manon
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Rotatable feedgate
    • Patent number 5,890,867
    • Issue date Apr 6, 1999
    • The Louis Berkman Company
    • Roland L. Hagemeyer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotatable feedgate
    • Patent number 5,823,734
    • Issue date Oct 20, 1998
    • The Louis Berkman Company
    • Roland L. Hagemeyer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Conveyor for particulate material
    • Patent number 5,669,531
    • Issue date Sep 23, 1997
    • The Louis Berkman Company
    • Roland L. Hagemeyer
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC INTERLOCK FOR SPREADER
    • Publication number 20120160929
    • Publication date Jun 28, 2012
    • Bob Schaefer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES