Patents Represented by Law Firm Fitch, Even, Tobin, Flannery & Welsh
  • Apparatus for forming an osteotomy for a dental implant
    Patent number: 4325373
    Abstract: An apparatus is disclosed for preparing a jawbone or the like for implantation of a dental implant. After exposing a selected area of the jawbone, accurately located guide holes are formed in the jawbone to receive a drill guide which facilitates forming a precise elongated slot by a burr between the guide holes, after which the slot is lengthened to include the initially formed guide holes and a properly configured dental implant may be pressed firmly into the slot.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: April 20, 1982
    Assignee: Carbo Mediec Inc.
    Inventors: Victor Slivenko, Jack C. Bokros
  • Electronic gaming apparatus
    Patent number: 4238127
    Abstract: In amusement and game apparatus of the type having a set of symbol-bearing reels and mechanism for spinning the reels after depositing the proper coins, an electronic control for selecting the stopping positions for the reels, for detection of the reel position, for calculating the payout to the player in response to the reel position, and for monitoring the payout and resetting the device for the next play.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: December 9, 1980
    Assignee: Bally Manufacturing Corporation
    Inventors: Andres R. Lucero, Neil J. Netley, Richard C. Raven, Chester C. Egan, Jr.
  • Pneumatic hammer with twist retainer
    Patent number: 4231581
    Abstract: A pneumatic hammer is provided with a quick-change retainer which may be twisted between an open position in which a tool may be inserted or removed and a closed position in which the tool is locked within the retainer. A compressible lock rod is provided to hold the retainer in at least the closed position and preferably the open position also. A stop means limits the twisting movement at the open and closed positions.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: November 4, 1980
    Assignee: Ajax Tool Works, Inc.
    Inventor: Neil W. Benedict