Patents by Inventor Walter Feldmahr

Walter Feldmahr 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).

  • Sheet lifter
    Patent number: 4423976
    Abstract: An improved sheet lifter is disclosed. The sheet lifter includes a lower edge having inner and outer ends, an inner edge extending upwardly from the inner end of the lower edge in a direction substantially perpendicular thereto, and an outer edge extending upwardly and inwardly from the outer end of the lower edge at an angle of from 70 to 184 degrees.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: January 3, 1984
    Assignee: Acco World Corporation
    Inventors: Walter Feldmahr, Kenneth H. Oberg
  • Frame for suspension of data binders
    Patent number: 3977527
    Abstract: A frame or rack including novel means for suspending therein data binders or the like in a multitude of positions and the lateral guide channels or tracks and co-operating hanger handles or bars used for lateral suspension.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: August 31, 1976
    Assignee: Acco International Inc.
    Inventors: Allen J. Rose, Walter Feldmahr