Patents by Inventor Edward M. Rolnick

Edward M. Rolnick 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: 4111591
    Abstract: A combination tap and die wrench is provided having a center portion with an aperture extending through the thickness thereof for receiving and retaining tapping apparatus and at least two oppositely extending arm portions extending outwardly from the center portion, each of said arm portions including a plurality of receptacles for receiving and retaining dies. An extension handle is also provided and may be secured to either of the arm portions at their outwardly extending ends. Storage means for tapping apparatus may be provided in the handle.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: September 5, 1978
    Assignee: Gulf & Western Manufacturing Company
    Inventor: Edward M. Rolnick
  • Patent number: 4097182
    Abstract: A combination tap and die wrench is provided having a center portion and a pair of opposite arm portions extending outwardly from the center portion. The wrench is preferably fabricated from a material with a high strength per weight ratio such as aluminum. The center portion which is circular with a pair of opposed flat surfaces includes a central aperture extending through the thickness thereof from one of the opposed surfaces to the opposite surface. The central aperture is adapted to receive and positively retain tapping apparatus. At least one round, depressed receptacle is provided on each of the surfaces of the center portion about the central aperture for receiving and positively retaining a threading die.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: June 27, 1978
    Assignee: Gulf & Western Manufacturing Company
    Inventor: Edward M. Rolnick
  • Patent number: D255211
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: June 3, 1980
    Assignee: Gulf & Western Manufacturing Company
    Inventor: Edward M. Rolnick
  • Patent number: D259092
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: May 5, 1981
    Assignee: Gulf & Western Manufacturing Company
    Inventor: Edward M. Rolnick