Patents by Inventor William Francis Marsh

William Francis Marsh 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).

  • Plastic forceps hinge
    Patent number: 3982450
    Abstract: A pair of forceps comprises two identical members of unitary plastics construction each including a jaw, a handle, and a projection which cooperates with an arcuate slot in the other member to pivotally connect the members in their normal working positions, but permit lateral separation of the members when they are in another relative angular position.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: September 28, 1976
    Assignee: Haffenden-Richborough Limited
    Inventor: William Francis Marsh