1
Leon Huang, John J Selman: Watchdog timer. Baxter Travenol Laboratories, Paul C Flattery, Daniel D Ryan, Kay H Pierce, December 2, 1986: US04627060 (57 worldwide citation)

A self-checking timer usable with a host system includes a clock and a plurality of interconnected counters. During a power-up phase the timer generates a system reset signal and counts the counters in a predetermined sequence. A flip-flop is set and reset during the power-up phase and inhibits gene ...


2
David Bergemann, Alan A Figler, Rene Lamadrid, Stanley Pernic, John J Selman: Heater-scale for heating fluids for injection into a patient. Baxter Travenol Laboratories, Paul C Flattery, Daniel D Ryan, Kay H Pierce, December 9, 1986: US04628186 (41 worldwide citation)

A heater-scale having a curved supporting member upon which a bag of fluid to be heated can be placed, has a distributed two-dimensional heating element affixed to a lower surface thereof. The curved member is supported by a load cell for generating an electrical signal proportional to the weight of ...


3
Donald S Nemcek Sr, John J Selman III: Accurate hand-held digital readout thermometer. Cole Parmer Instrument Company, Fitch Even Tabin & Flannery, January 3, 1984: US04423968 (9 worldwide citation)

A hand-held digital readout thermometer measures temperatures over the range -50.degree. C. to +1100.degree. C. with a maximum error less than 3.degree. C. in that range. The thermometer includes a thermocouple, a temperature stable and temperature independent power supply, a temperature stable diff ...


4
Alan A Figler, John J Selman: Apparatus and method for reading switches. Baxter Travenol Laboratories, Paul C Flattery, Kay H Pierce, Daniel D Ryan, September 16, 1986: US04612639

A switch and decoder circuit and method of reading same includes a 4 to 16 line decoder latch for selectively enabling up to 14 manually settable switches, each of which generates a BCD code in response to a switch setting, a plurality of thumb wheel switches each of which is selectively enabled by ...