Patents by Inventor Clarence L. Stevenson

Clarence L. Stevenson 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).

  • Collating apparatus
    Patent number: 4844686
    Abstract: In a stacking apparatus of the type having tines for pushing one workpiece out of each of the bottoms of a plurality of aligned reservoirs, an improvement is disclosed which comprises a ramp adjacent to the reservoirs and inclined with respect to the bottom line of the reservoirs for stacking the workpieces in stacks of increasing height.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: July 4, 1989
    Assignee: Colmac, Inc.
    Inventor: Clarence L. Stevenson
  • Collating apparatus and method
    Patent number: 4824306
    Abstract: In a stacking apparatus of the type having tines for pushing one workpiece each out of the bottoms of a plurality of aligned reservoirs, an improvement is disclosed which comprises a ramp adjacent to the reservoirs and inclined with respect to the bottom line of the reservoirs for stacking the workpieces in stacks of increasing height.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: April 25, 1989
    Assignee: Colmac, Inc.
    Inventor: Clarence L. Stevenson