Patents by Inventor Donald Leib

Donald Leib 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).

  • Collapsible trailer
    Patent number: 5607176
    Abstract: A collapsible trailer includes a first platform and a second platform which is pivotably mounted to the first platform so that the second platform may move between an open and closed position. A support arm is mounted on the first platform and extends to contact the second platform at a position substantially away from the pivot axis of the second platform when in the open position. The support arms shares a load applied to the second platform between the first platform and the second platform.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: March 4, 1997
    Inventors: Donald Leib, Kenneth Thurm
  • Collapsible trailer
    Patent number: 5340145
    Abstract: A collapsible trailer includes a first platform and a second platform which is pivotably mounted to the first platform so that the second platform may move between an open and closed position. A support arm is mounted on the first platform and extends to contact the second platform at a position substantially away from the pivot axis of the second platform when in the open position. The support arms shares a load applied to the second platform between the first platform and the second platform.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: August 23, 1994
    Inventors: Donald Leib, Kenneth Thurm
  • Collapsible trailer
    Patent number: D336869
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 29, 1993
    Assignees: Donald Leib, Kenneth Thurm
    Inventors: Donald Leib, Kenneth Thurm