1
William J O Brien: Tooth color matching system. Rohm & Monsanto, December 28, 1999: US06007332 (56 worldwide citation)

A method and system for determining the color characteristic of a tooth, particularly in a mouth in which restorative dentistry is contemplated, employs the photographic imaging of the tooth of the patient, and the photographing of visually selected color standards, to achieve the final selection of ...


2
William J O Brien: Electric knife. June 10, 1986: US04593466 (38 worldwide citation)

An electric knife of the kind having an elongated handle that serves as a container for a driving electric motor, a pair of blades projecting in an axial direction from the handle, the blades being releasably secured to a drive connected to the motor in such a manner that the blades are reciprocated ...


3
William J O Brien, Stephen J McClean: Griller. Breville R & D, Christie Parker & Hale, October 18, 1994: US05355779 (28 worldwide citation)

A griller having a substantially horizontally extending grill member to support food while being grilled, the grill member consisting of alternating bars and slots the bars being made of aluminium, aluminium alloy or a substance having similar heat transmitting properties there being arranged under ...


4
William J O Brien, James N Ciraulo: Apparatus for measuring conditional characteristics of a body part. Squire Sanders & Dempsey, August 28, 1984: US04467815 (19 worldwide citation)

Apparatus for measuring the sensory condition of the skin. The apparatus includes means for repeatably projecting and retracting a pair of probes and for repeatably varying the separation between the probes so that the Von Frey and Weber two point discrimination tests may be performed objectively. T ...


5
Conrad F Fingerson, William J O Brien: Pultruded utility line support structure and method. PUPI Enterprises L L C, Merchant Gould Smith Edell Welter & Schmidt Professional Association, February 25, 1997: US05605017 (15 worldwide citation)

A utility line support structure for use as a tangent crossarm or deadend including a hollow fiber reinforced beam with a bushing inserted into a transverse hole in the beam. Bushing includes a hollow inner member for receiving a bolt and a pair of integral washers arranged on opposite ends of inner ...


6
William J O Brien: Asphalt heating unit. Cooper & Dunham, February 23, 1993: US05188481 (13 worldwide citation)

A movable asphalt heating unit for heating paved asphalt for paving or repairing is provided comprising a frame, and a heating chamber mounted to the frame in a rotatable arrangement whereby the heating chamber may be selectively positioned on the right side, left side or rear of the frame. The heat ...


7
William J O Brien: Electric fry pan. Breville Holdings, Michael J Striker, May 19, 1981: US04268741 (12 worldwide citation)

An electric fry pan in which the pan is formed from cast iron to the underside of which a heat sink of aluminium is secured by mechanical means, the heat sink making close physical contact with a major portion of the underside of the pan. The electric heater element is associated with the heat sink ...


8
William J O Brien, Russell A St Louis, Anton H Heller deceased, Julia Heller executrix: Asphalt reclamation unit with discharge feed and improved hot air flow. Cooper & Dunham, June 9, 1992: US05120217 (11 worldwide citation)

A unit for heating initially solid asphaltic material to provide asphaltic concrete in a condition suitable for application, including an inner enclosure defining a volume for containing the material to be heated, an outer enclosure surrounding and spaced from the inner enclosure to define a space b ...


9
William J O Brien: Electrically heated wok. Breville Holdings Pyt, November 26, 1985: US04555616 (10 worldwide citation)

An electrically heated wok having a bowl of substantial thickness preferably formed from aluminium by gravity or sand casting and having an electrical heating element on the underside thereof, the bowl being supported on an annular skirt surrounding the heating element, the bowl being tiltable in re ...


10
William J O Brien, Matthew T O Brien: High expansion dental crown core ceramic composition. The Regents of the University of Michigan, Head Johnson & Stevenson, March 18, 1986: US04576922 (9 worldwide citation)

A strong white ceramic composition and method of making the same wherein said composition is characterized by an average coefficient of thermal expansion over the range of 25.degree. C. to 500.degree. C. ("Proposed American National Standards Institute/American Dental Association Specification No. 3 ...