Patents by Inventor Mark E. Lewry

Mark E. Lewry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sports field soil conditioner
    Patent number: 6358312
    Abstract: Porous calcined clay sports field conditioners exhibit excellent playability while also displaying excellent drainage, freedom from compaction, and moisture retention under hot, dry conditions. The conditioners are non-hydrating granulates of narrow particle size distribution and are preferably of a red to brown coloration.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: March 19, 2002
    Assignee: Aimcor Corporation
    Inventors: James D. Tanner, Mark E. Lewry
  • Sports field soil conditioner
    Patent number: 6155749
    Abstract: Porous calcined clay sports field conditioners exhibit excellent playability while also displaying excellent drainage, freedom from compaction, and moisture retention under hot, dry conditions. The conditioners are non-hydrating granulates of narrow particle size distribution and are preferably of a red to brown coloration.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: December 5, 2000
    Assignee: Profile Products LLC
    Inventors: James D. Tanner, Mark E. Lewry
  • Sports field soil conditioner
    Patent number: 6096126
    Abstract: Porous calcined clay sports field conditioners exhibit excellent playability while also displaying excellent drainage, freedom from compaction, and moisture retention under hot, dry conditions. The conditioners are non-hydrating granulates of narrow particle size distribution and are preferably of a red to brown coloration.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: August 1, 2000
    Assignee: Profile Products L.L.C.
    Inventors: James D. Tanner, Mark E. Lewry