Patents Represented by Attorney, Agent or Law Firm Martin E. Hsia
  • Method for restoring and maintaining buoyancy and apparatus for preventing loss of buoyancy for floatplanes
    Patent number: 4915052
    Abstract: A method for restoring and maintaining buoyancy for floatplane floats by inserting an inflatable air bag into the leaking compartment in the float and inflating the air bag until the water in the float is expelled from the float and the air bag seals the leak. A puncture resistant air bag also may be permanently installed in a floatplane float at the time of manufacture in order to prevent leaks.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: April 10, 1990
    Inventors: Gregory C. Reeser, Terry Wolgamot
  • Motorized tool with easily replaceable switch
    Patent number: 4808862
    Abstract: An electric hand tool with a detachable switch mounted between the handle and a detachably mounted nosepiece to allow easy access to, and replacement of, the switch in case of malfunction. The nosepiece is movable in response to pressure on the workpiece. Movement of the nosepiece closes the switch for activating the motor.
    Type: Grant
    Filed: October 20, 1987
    Date of Patent: February 28, 1989
    Assignee: Joseph J. Carvalho
    Inventors: Joseph J. Carvalho, Sequndo R. Mapili, Jr.
  • Handler for a platic trash bag
    Patent number: 4768742
    Abstract: A handler for a plastic trash bag can comprising a substantially planar, rectangular frame of pencil steel with a plastisol coating deposited thereon.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: September 6, 1988
    Inventor: Edward P. Kaaloa
  • Waterboard fin
    Patent number: D307310
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: April 17, 1990
    Inventor: Lawrence S. Bucknell