Patents by Inventor John T. Zell

John T. Zell 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).

  • Publication number: 20120246978
    Abstract: A trencher assembly for use in association with an excavator and the like, including: a body, wherein the body is configured for releasable securement with a boom, a crumber bar, and a bracket; a boom, wherein the boom is associated with an endless chain having a plurality of teeth and/or blades; a crumber bar, wherein the crumber bar extends contiguously from the body, and further wherein the crumber bar is positioned generally above the boom; and a bracket, wherein the bracket is configured for releasable securement to both the body of the trencher assembly, as well as an excavator. Accessory items releasably securable to the brackets of the present invention are also provided.
    Type: Application
    Filed: February 10, 2012
    Publication date: October 4, 2012
    Inventors: Thomas L. Haley, John T. Zell
  • Patent number: 4577612
    Abstract: A trigger actuated arrow holder which attaches to the side of an archery bow is disclosed herein. An arrow clamp is spring biased against the body of the bow, such that it securely holds an arrow in place. When the trigger is depressed, the arrow clamp rotates away from the body of the bow thereby facilitating the passage of an arrow when a drawn bowstring is released.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: March 25, 1986
    Assignees: John T. Zell, Michael R. Franchino
    Inventor: John T. Zell