1
Morrison Jr Charles F: Switching means for an electro-surgical device including particular contact means and particular printed-circuit mounting means. Valleylab, Burton Crandell & Polumbus, April 2, 1974: US3801766 (306 worldwide citation)

An electrical switching device is disclosed herein and comprises the major components suitable for use as a compact, easily installed switching device and also in an electro-surgical tool which, through the operation of the switching device, is readily adaptable for different intended uses and highl ...


2
Morrison Jr Charles F: Combined electrocoagulator-suction instrument. Valleylab, Burton Crandell Polumbus & Harris, August 13, 1974: US3828780 (257 worldwide citation)

A combined electrocoagulator-suction instrument useful for coagulating bleeding capillaries and veins within a surgical field and for sucking out blood and other liquids from the field either during, before or after the coagulation procedure. An elongate body of electrically non-conductive material ...


3
Terry Ruel C: Method of pyrolysis of coal in situ. In Situ Technology, Burton Crandell & Polumbus, December 9, 1975: US3924680 (253 worldwide citation)

A method of pyrolysis of coal in situ includes the steps of establishing a pair of passages between a sub-surface coal formation and the surface with the coal passages being adapted to separately remove liquids and gases from the coal formation, establishing a sump at the bottom of the passages whic ...


4
Ruel C Terry: Method and apparatus for in situ gasification of coal and the commercial products derived therefrom. In Situ Technology, Burton Crandell & Polumbus, April 27, 1976: US03952802 (233 worldwide citation)

The process of the invention includes the concept of igniting a coal formation in situ with hot granular material and subsequently allowing the material to flow into the burning coal formation to serve as a propping agent in the event of a cave-in. Gasifying agents are injected into the formation in ...


5
Newton David W: Isolating switching circuit for an electrosurgical generator. Valleylab, Burton Crandell & Polumbus, April 2, 1974: US3801800 (135 worldwide citation)

An isolating switching circuit suitable for use in an electrosurgical generator to transmit mode information from an electrosurgical instrument to an electrosurgical power generator is disclosed. A selected light emitting diode is energized in accordance with the setting of a mode of operation switc ...


6
Newton David W: Transformer coupled power transmitting and isolated switching circuit. Valleylab, Burton Crandell & Polumbus, August 5, 1975: US3897788 (84 worldwide citation)

A transformer coupled power transmitting and isolated switching circuit is disclosed for use in an electrosurgical apparatus to transmit power from a power generator to a utilization instrument for enabling electrosurgery and to transmit mode information from the utilization instrument to the power ...


7
John Byrns: Nebulizer bacteria filter. Burton Crandell & Polumbus, January 13, 1976: US03932153 (78 worldwide citation)

A bacteria filter includes a pair of generally conical housing sections having confronting marginal flanges adapted to be welded together to seal the sections into an integral filter housing. The flanges have a pair of tongue-in-groove connectors to facilitate alignment of the sections during assemb ...


8
McKee Donald S: Enclosable retractable awning. The Scott & Fetzer Company, Burton Crandell & Polumbus, December 2, 1975: US3923074 (40 worldwide citation)

A retractable awning assembly includes a closable housing adapted to be mounted upon a recreational vehicle, building structure or the like and a flexible sheet of awning material having an inner edge mounted within the housing and an outer edge secured to a roll bar adapted to be moved from a stora ...


9
Mazal Charles N: Endotracheal catheter. Burton Crandell Polumbus & Harris, June 11, 1974: US3815606 (40 worldwide citation)

An endotracheal catheter especially useful for the application of mechanical respiration or the administration of anesthetic gases to newborn infants. A pliable hollow outer tube is formed with a main body portion of constant diameter having a reduced diameter relatively short end section at one end ...


10
Paul C Ramer: Ski boot. Alpine Research, Burton Crandell & Polumbus, March 23, 1976: US03945134 (40 worldwide citation)

A ski boot includes a foot portion and a leg portion extending upwardly along the calf of the leg from the foot portion and being pivotally connected to the foot portion for movement about a generally horizontal axis extending transversely of the boot. The pivotal connection of the leg portion to th ...



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