Patents by Inventor Fred H. Lahr

Fred H. Lahr 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).

  • Edger-trimmer head indexing mechanism
    Patent number: 4043101
    Abstract: An improved indexing means for a garden edger-trimmer having interengaging surfaces on the end of the handle and the head housing for selectively positioning the head.
    Type: Grant
    Filed: January 21, 1974
    Date of Patent: August 23, 1977
    Assignee: Rockwell International Corporation
    Inventors: Fred H. Lahr, Roger W. Murley