Patents by Inventor Harry E. Bowen

Harry E. Bowen 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: 4655318
    Abstract: A manhole step assembly including a substantially U-shaped metal rod and a corrosion resistant covering molded about the rod is taught. The covering has a tapered portion formed at the free ends thereof, and the tapered portion has a roughed surface to increase the surface area of compression which is used to hold the step in place in the wall of a manhole shaft. A socket which may be cast in such a shaft is also disclosed.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: April 7, 1987
    Assignee: H. Bowen Company, Inc.
    Inventor: Harry E. Bowen