Patents by Inventor M. Tillman Richards, Jr.

M. Tillman Richards, Jr. 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).

  • Rotary bark hack
    Patent number: 3986259
    Abstract: This invention relates to an improved portable powered tool for removing bark from living pine trees preparatory to inducing oleoresin flow by known chemical means. This tool utilizes a lightweight, chainsaw-type engine to power a specially designed set of blades partially enclosed in a housing designed to provide multiple guides for producing the type cut necessary to properly prepare a tree for collection of naval stores and to provide a method for discharging debris away from the operator and work area.
    Type: Grant
    Filed: April 27, 1976
    Date of Patent: October 19, 1976
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Robert D. McReynolds, Donald R. Roberts, Mozon T. Proveaux, Junior Broomfield, Ernest R. Crews, M. Tillman Richards, Jr., Ralph W. Clements, William J. Peters