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John S Gentelia, Frank R Williams, William C Wheatley, Ernesto G Sevilla, Sharyn E Longo, Deborah E Forbey: Electrosurgical trocar assembly with bi-polar electrode. Conmed Corporation, Larson & Taylor, April 5, 1994: US05300070 (150 worldwide citation)

A trocar assembly includes an elongate trocar device and a surrounding cannula. The trocar device incorporates an electrosurgical cutting element which is used to make a guide hole for the cannula and thus enables the remainder of the trocar assembly to enlarge the puncture. The cutting element comp ...


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John S Gentelia, Ronald E Eggan Jr, Frank R Williams, William Wheatley: Manual control device for laparoscopic instrument. Conmed Corporation, Larson & Taylor, November 21, 1995: US05468240 (66 worldwide citation)

A manual control device for laparoscopic patient treatment by use of electrical curetage or coagulation, with means for clearing the surgical sight by irrigation or suction, finger operated buttons controlling the various functions, and an interlock mechanism disabling the electrical functions when ...


3
Frank R Williams: Skin conducting electrode and electrode assembly. Consolidated Medical Equipment, Larson Taylor and Hinds, October 3, 1978: US04117846 (63 worldwide citation)

A disposable skin conducting electrode assembly and electrode therefor for use on a patient wherein the electrode assembly comprises an electrolyte pad, an electrode and an adhesive pad. In one embodiment of the invention the electrode is a thin stainless steel plate having a periphery shaped to pro ...


4
Frank R Williams, Thomas G Ruttan: Coplanar transmission structure having spurious mode suppression. Tektronix, William K Bucher, July 6, 1993: US05225796 (60 worldwide citation)

An improved coplanar transmission structure has a coplanar transmission line formed on one surface of a substrate and a lossy resistive material formed on the opposite surface of the substrate for suppressing spurious electromagnetic modes propagating through the substrate. The lossy resistive mater ...


5
John S Gentelia, Stephen J Roberts, Frank R Williams: Apparatus for collecting blood from a chest drainage unit and reinfusion of the blood. Conmed Corporation, Breiner & Breiner, January 7, 1992: US05078677 (49 worldwide citation)

The present invention is directed to a self-contained, totally disposable apparatus for the collection and reinfusion of blood which is suitable for use with a chest drainage unit to provide for the autotransfusion of autologous blood and the method of suing the apparatus. The blood collection and r ...


6
Frank R Williams, William Abraham: Locking electrical connector. Consolidated Medical Equipment, Larson Taylor and Hinds, August 21, 1979: US04165141 (15 worldwide citation)

An electrical connector is provided for an electrode having a headed stud thereon in which a slot is provided between electrical contact plates mounted on the connector. The headed stud of the electrode fits within this slot and a slidable locking bar having a cam surface thereon is moved to a locki ...


7
Frank R Williams, Ronald C Hurst: Production of carbon black. Cabot Corporation, Jack Schuman, Lawrence A Chaletsky, Robert J Feltovic, January 25, 1983: US04370308 (14 worldwide citation)

This disclosure relates to an improved furnace process for producing carbon blacks by the incomplete combustion of hydrocarbonaceous feedstock wherein the resultant blacks either have higher surface areas than the carbon blacks normally prepared from the feedstocks or are produced more economically. ...


8
Eli M Dannenberg, Frank R Williams: Oxidation resistant asphalt compositions. Cabot Corporation, April 1, 1980: US04196013 (7 worldwide citation)

Disclosed herein are carbon black-containing asphalt compositions having improved properties of resistance to thermal and actinic oxidation.


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John S Gentelia, Stephen J Roberts, Frank R Williams: Apparatus for collecting blood from a chest drainage unit and reinfusion of the blood. Conmed Corporation, Breiner & Breiner, April 13, 1993: US05201703 (6 worldwide citation)

The present invention is directed to a self-contained, totally disposable apparatus for the collection and reinfusion of blood which is suitable for use with a chest drainage unit to provide for the autotranfusion of autologous blood and the method of using the apparatus. The blood collection and re ...


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