Patents by Inventor Roger D. Lehman

Roger D. Lehman 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).

  • Window greenhouse
    Patent number: D297625
    Type: Grant
    Filed: May 13, 1985
    Date of Patent: September 13, 1988
    Assignee: Ulysses Inc.
    Inventor: Roger D. Lehman