Patents by Inventor Delmar J. Hill

Delmar J. Hill 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).

  • Patent number: 6113332
    Abstract: An extractable fastener system is disclosed using a staple configured to secure various pliant, planar and three-dimensional materials to a substrate, which staple has a retention base including a retention arch for positioning and securing three-dimensional linear retention material to secure pliant materials to the substrate, the staple also includes an integral extraction arch or arches thereon to facilitate access for an extraction tool to facilitate removal of the staple from the work.
    Type: Grant
    Filed: July 5, 1997
    Date of Patent: September 5, 2000
    Inventor: Delmar J. Hill
  • Patent number: 4691427
    Abstract: An apparatus for clip-stapling a cover which encloses a pre-fab building construction section which includes a pneumatic driving casing having interchangeable heads, wherein the shape of the head is flat for permanent fastening or flat only in the center resulting in a temporary fastener clip staple that is shaped flat in the center and raised rectangular sections at each end so that a three-pronged tool can be used to easily remove the staple without any injury to the resin plastic cover or the building structure section beneath said cover and including a hand drawn stripping which is housed in a canister that is fitted into alignment with the magazine chamber holding the staples.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: September 8, 1987
    Assignee: Vanguard-Hill, Inc.
    Inventor: Delmar J. Hill