Patents Assigned to Trebor Corporation
  • Sealing plug for apertures
    Patent number: 5327942
    Abstract: A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to engage the side wall of a drilled hole. The ribs prevent the passage of fluids or chemicals from the hole.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: July 12, 1994
    Assignee: Trebor Corporation
    Inventor: Robert D. Black
  • Safe, effective self-defense device
    Patent number: 4728037
    Abstract: A safe, effective self-defense device including a container having a non-toxic deterrent fluid mixture therein is disclosed. The container is provided as a thin-walled, manually-collapsible, squeeze bottle having a nozzle, a nozzle closure cap and a sealing substance positioned in the nozzle, which cap can be removed and the sealing substance ejected from the nozzle by a single hand of the user. The deterrent mixture includes a surfactant lachyrmal agent, a food-grade dye and an odor or oleofactory agent.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: March 1, 1988
    Assignee: Trebor Corporation
    Inventor: Robert Mainhardt