1
Robert A Clark, John P Hall: Organ perfusion system. American Hospital Supply Corporation, Tilton Fallon Lungmus Chestnut & Hill, December 7, 1976: US03995444 (100 worldwide citation)

A system for extracorporeal perfusion of human organs wherein a pulsatile flow of cold perfusate is circulated through an organ intended for transplantation. The system includes a perfusion chamber, a heat exchanger comprising an ice water bath containing a coil of tubing through which perfusate is ...


2
Robert A Clark Jr, Jay D Brussels: Self-computing credit card telephone paystation method and system. Communication Equipment & Engineering Co, Mason Kolehmainen Rathburn & Wyss, March 15, 1988: US04731818 (46 worldwide citation)

A method and apparatus for processing a call from a credit card telephone paystation reads magnetic encoded data on a credit card and produces a credit card identification signal. The credit card identification signal is identified as valid prior to enabling the telephone call. Call information data ...


3
Robert A Clark Jr, Jay D Brussels: Credit card telephone station. Communications Equipment and Engineering Co, Mason Kolehmainen Rathburn & Wyss, June 9, 1987: US04672661 (41 worldwide citation)

A credit card telephone station adapted to permit the initiation of telephone calls in response to the movement of a credit card having a stripe of magnetic characters on one face thereof past a magnetic card reader includes a housing for containing a telephone receiver-transmitter and circuit means ...


4
David A Banman, Robert A Clark: Method and apparatus for serial data communications using FIFO buffers. Sun Microsystems, Blakely Sokoloff Taylor & Zafman, September 17, 1996: US05557751 (30 worldwide citation)

An improved serial communications circuit, which includes support for Infra Red communications over a number of incompatible IR protocols is provided. To improve serial throughput, and reduce the overhead required of a Central Processing Unit, separate Transmit and Receive FIFO's are provided to buf ...


5
Robert A Clark: Rear jet air knife. Xerox Corporation, Perman & Green, December 30, 2003: US06669187 (18 worldwide citation)

A top sheet feeding apparatus for feeding sheets from a stack of sheets is disclosed. The feeding apparatus comprises a sheet stack support tray for supporting a stack of sheets, an air knife device positioned immediately adjacent the front of the stack of sheets for applying a positive pressure to ...


6
Robert A Clark Jr: Telephone paystation. Communication Equipment and Engineering Co, Mason Kolemainen Rathburn & Wyss, January 23, 1979: US04136262 (15 worldwide citation)

A high security full prepay telephone paystation utilizes a low current escrow unit and a coin counter for determining the amount of money deposited in the escrow. Also, circuitry is provided for sensing whether any money at all has been deposited in the escrow. If no money has been deposited, the c ...


7
Robert A Clark, Rory R Puzon, James T Wlodarczyk: Processing vessel having discharge metering/mixing auger. Delaware Capital Formation, Welsh & Katz, November 15, 1994: US05363747 (13 worldwide citation)

Apparatus for preparing a product by the controlled metering of additive constituents into a base constituent includes a processing vessel having mixing and heating and/or cooling capability to produce a base constituent for discharge into the metering stage of a metering/mixing auger assembly. The ...


8
Robert A Clark, Robert M Lofthus: Sheet registration within a media inverter. Xerox Corporation, Fay Sharpe, Eugene Palazzo, August 21, 2007: US07258340 (12 worldwide citation)

Parallel printing systems and methods incorporate inverter assemblies for not only inverting media during transport through the system but also to register the media and to provide a velocity buffer transport with different drive velocities. The inverter assemblies can include the capability to opti ...


9
Robert A Clark, John Parnall: Collapsible box. H Jay Spiegel, October 17, 2000: US06131757 (8 worldwide citation)

A collapsible box has hinges which are vertically staggered to permit the box to collapse into a relatively flat configuration for easy stacking and transport. When the box is erected, interlocking features on the edges of the sides of thus box interengage to hold the box in a vertical configuration ...


10
Robert A Clark: Substrate bending stiffness measurement method and system. Xerox Corporation, Fay Sharpe Fagan Minnich & McKee, June 24, 2003: US06581456 (8 worldwide citation)

A method and apparatus for measuring substrate bending stiffness and thereby basis weight on a real time basis. Provided is a corrugator having a plurality of parallel ribs, with one or more sheets of the substrate provided below the corrugator wherein a predetermined gap exists between a topmost sh ...