Patents by Inventor Harry J. Crawford

Harry J. Crawford 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: 4096022
    Abstract: A tape dispenser for applying paper lined electrically conductive pressure sensitive adhesive tape or foil on a flat surface for forming a part of an electrical alarm system. The dispenser includes a housing having a tape storage chamber in which is rotatably mounted a roll of paper lined pressure sensitive adhesive foil. The housing has an extension on the front side thereof through which the tape is dispensed. A pressure member is mounted on the housing extension over the point at which the tape is discharged from the housing extension, for use in pressing the tape on a flat surface as it is discharged from the dispenser. The dispenser includes means for stripping the paper liner from the foil as the foil is fed from the roll in the dispenser.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: June 20, 1978
    Inventor: Harry J. Crawford
  • Patent number: 4026757
    Abstract: A tape dispenser for applying electrially conductive adhesive tape or foil on a flat surface. When applied on a flat surface, the tape forms a part of an electrical alarm system. The dispenser includes a housing having a tape storage chamber in which is rotatably mounted a roll of tape. The housing has an extension on the front side thereof through which the tape is dispensed. A pressure member is mounted on the housing extension over the point at which the tape is discharged from the housing extension for use in pressing the tape on a flat surface as it is discharged from the dispenser. The housing is provided with a guide means for guiding the dispenser in a straight line. The guide means is used for engagement with a window frame for guiding the dispenser as it moves over the window pane. The tape dispenser can also be used for making a right angle turn when applying tape to a flat surface.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: May 31, 1977
    Inventor: Harry J. Crawford