Patents Assigned to Robert A. Grant
  • Patent number: 5009132
    Abstract: Device in the nature of a wrench or the like in which reciprocatory rotary motion is converted to continuous rotation in one direction.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: April 23, 1991
    Assignees: Robert A. Grant, Douglas A. Bourque, Mildred T. Felt
    Inventor: Daniel G. Gilberto