Patents Represented by Attorney A. J. Castorina
  • Patent number: 4105204
    Abstract: A tennis stroke practice device comprised of a base plate having an upstanding tubular member positioned thereon to receive a Z-shaped tube adjustably therein with the Z-shaped tube being in turn comprised of telescoping members for adjusting the length thereof with one of said telescoping portions having a ball positioned thereon whereby a user can place a stringless tennis racquet thereover and practice his stroke by swinging the racquet throughout the length of the Z-shaped tube.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: August 8, 1978
    Inventor: Wilbur V. Koenig
  • Patent number: 4102254
    Abstract: A vehicle exhaust fume removal system for garages, including a movable conduit having an inlet adapted to be disposed adjacent to a vehicle exhaust pipe, and an outlet adapted to be disposed outwardly of the garage to thereby conduct the fumes into the atmosphere. The movement of the conduit is controlled in response to the position of the vehicle or a part thereof whereby the vehicle can be started in inclement weather without subjecting the driver to the inconvenience of opening the garage doors to vent the fumes.
    Type: Grant
    Filed: January 4, 1977
    Date of Patent: July 25, 1978
    Inventor: James L. Grant
  • Patent number: 4091601
    Abstract: A work table designed to be used to facilitate the removal of objects, preferably tobacco stalks, supported on sticks or other elongated elements by single or by several workers.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: May 30, 1978
    Inventor: James L. Riggins
  • Patent number: 4073165
    Abstract: A locking device comprised of a base plate secured about a keyhole and a cover plate pivotally disclosed thereon including locking means which can be disposed in aligned openings in the plates to selectively lock one to the other to either expose or cover the keyhole.
    Type: Grant
    Filed: August 6, 1976
    Date of Patent: February 14, 1978
    Inventors: Robert R. Grundstrom, Arthur Baylis
  • Patent number: 3986293
    Abstract: The invention relates to a set of building elements and features a container constructed therefrom and adapted to receive, transport and store compactly the building elements. More particularly this invention relates to a set of building elements that are basically multiples of one another and when portions thereof are assembled together on a base unit form a container unit adapted to receive the remaining elements and thereby form a substantially rectangular unit of assembled elements which are easily stored and transported.
    Type: Grant
    Filed: December 3, 1971
    Date of Patent: October 19, 1976
    Inventor: Renan Rieur
  • Patent number: D508220
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: August 9, 2005
    Inventors: Francis G. Spriggs, Maleesha A Spriggs