Patents by Inventor Edward H. Clark

Edward H. Clark 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).

  • Turf-growing process
    Patent number: 5765304
    Abstract: A process for growing a light weight, transportable sod-mat and for facilitating the implantation of such a mat on a lawn bed comprises germinating lawn-grass seeds (5) in a thin layer of growing medium (4) spread over a mat of non-woven polypropylene (3) laying on an impermeable membrane (2). After germination, the mat and the inseminated growing medium is installed over a layer of porous material such as decomposed granite covering a conditioned subsoil. Drip irrigation lines are run through the upper region of the porous material.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: June 16, 1998
    Inventor: Edward H. Clark
  • Turf-growing process
    Patent number: 5189833
    Abstract: A process for growing a light-weight, transportable sod-mat and for facilitating the implantation of such a mat on a lawn bed comprises germinating lawn-grass seeds in a thin layer of growing medium spread over a mat of non-woven polypropylene laying on an impermeable membrane. After germination, the mat and the inseminated growing medium is installed over a layer of porous material such as decomposed granite covering a conditioned subsoil. Drip irrigation lines are run through the upper region of the porous material.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: March 2, 1993
    Assignee: Conjetta M. Butt
    Inventor: Edward H. Clark