Patents by Inventor Robert B. Wenk

Robert B. Wenk 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).

  • Patent number: 6003181
    Abstract: A letter opening device is provided. The letter opening device includes a generally rectangular body having a letter opening blade for opening envelopes. The body is formed from a molded plastic material and is suitable for being hand held, and the letter opening blade is molded partially within the plastic molded body. The device further includes a sheet-like material cutter having a coupon cutting blade. A portion of the coupon cutting blade is exposed exteriorly of the body whereby the exposed portion can be manipulated to selectively separate sections of sheet-like materials such as paper and plastic sheets.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: December 21, 1999
    Assignee: Pacific Handy Cutter, Inc.
    Inventor: Robert B. Wenk
  • Patent number: D353316
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: December 13, 1994
    Assignee: Pacific Handy Cutter, Inc.
    Inventors: G. Gerry Schmidt, Robert B. Wenk
  • Patent number: D355347
    Type: Grant
    Filed: May 17, 1993
    Date of Patent: February 14, 1995
    Assignee: Pacific Handy Cutter, Inc.
    Inventor: Robert B. Wenk
  • Patent number: D420271
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: February 8, 2000
    Assignee: Pacific Handy Cutter
    Inventor: Robert B. Wenk