Patents Represented by Attorney Robert M. Sperry, Esq.
  • Patent number: 7770908
    Abstract: An improved human-powered engine which is actuated by forward and rearward movement of the body to cause extension of a resilient member which serves to provide driving motion to a wheel, propeller or the like.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: August 10, 2010
    Inventor: Rouzbeh R. Malekpour
  • Patent number: 7416078
    Abstract: A pocket flask to be carried within the user's pocket having a hollow housing provided with a curved side wall and a bottom wall connected to the sidewall. A first partition wall divides the housing into a first liquid chamber and a second chamber. A second partition wall divides the second chamber into a tobacco chamber and a pipe housing chamber. A pipe is telescopically receivable within the pipe housing chamber and a first cover, which is pivotally connected to the housing functions to move pipe inwardly of the pipe housing chamber against the urging of a spring. The first cover is movable between a first open position and a second closed position to gain access to the pipe and to the tobacco. A closure wall which has a pouring opening, is connected to the housing for substantially closing the first liquid chamber. A cap removably closes the pouring opening.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: August 26, 2008
    Inventor: Phillip Willis
  • Patent number: 7246829
    Abstract: an improved sliding door latch comprising a latch plate attached to the leading edge of the door and projecting outwardly on either side of the door to enable a person to grasp the latch plate to slide the door open or closed, and a latch arm pivotally secured to the door jamb and movable between a first unlocked position which permits the door to be opened or closed and a latched position engaging the latch plate and preventing movement of the door.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: July 24, 2007
    Inventors: Vernon L. Balsbaugh, Philip D. Grover
  • Patent number: 7188694
    Abstract: An all-surface vehicle comprising a pair of large inflatable tubes mounted on a common axis with sufficient buoyancy to enable the vehicle to travel on water and having a motor for independently driving each of the tubes, together with a passenger or load carrying compartment; the motor and compartment being mounted with their center of gravity below the axis of the tubes.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: March 13, 2007
    Inventor: Rodney L. Blair
  • Patent number: 6626249
    Abstract: A geothermal drilling and recovery system comprising a drilling rig having an elevator with a laser and a radar gun mounted on said elevator, a drill pipe, a rotating mirror mounted adjacent the lower end of said drill pipe and means for establishing a vacuum adjacent said lower end of said drill pipe to remove and recover heat and drilling debris therefrom.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: September 30, 2003
    Inventor: Robert John Rosa
  • Patent number: 6598317
    Abstract: Removable tap covers for dancing shoes which can quickly and easily be placed on the taps to prevent accumulation of dirt and grime in the taps, yet which can quickly and easily be removed to allow the full effect of the taps for dancing.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: July 29, 2003
    Inventors: Jan F. Le Vine, Riley M. Sopko