Patents by Inventor Raymond E. Crowley

Raymond E. Crowley 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).

  • Greenhouse
    Patent number: D324658
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: March 17, 1992
    Inventor: Raymond E. Crowley