1
George R Cooper, Raymond W Nettleton: Spread spectrum apparatus for cellular mobile communication systems. Purdue Research Foundation, John R Nesbitt, September 9, 1980: US04222115 (272 worldwide citation)

An apparatus is disclosed for a cellular mobile communication system utilizing a spread spectrum. A plurality of fixed base stations is connected with a central processor so that calls originating in any cell can terminate in any other cell. The available frequency spectrum is divided such that one- ...


2
Harry L Martin, Raymond E Goodson: Monitoring apparatus and method for battery power supply. Purdue Research Foundation, John R Nesbitt, Robert E Harris, June 28, 1983: US04390841 (137 worldwide citation)

A monitoring apparatus and method are disclosed for monitoring and/or indicating energy that a battery power source has then remaining and/or can deliver for utilization purposes as, for example, to an electric vehicle. A battery mathematical model forms the basis for monitoring with a capacity pred ...


3
George R Cooper, Raymond W Nettleton, David P Grybos: Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system. Purdue Research Foundation, John R Nesbitt, February 19, 1980: US04189677 (108 worldwide citation)

A demodulator unit is disclosed for spread spectrum apparatus utilized in a cellular mobile communication system. The cellular mobile communication system includes a plurality of fixed base stations connected with a central processor so that calls originating in any cell can terminate in any other c ...


4
Benny M Hillberry, Donald B Kettelkamp: Semi-stable total knee prosthesis. Purdue Research Foundation, John R Nesbitt, August 12, 1980: US04216549 (86 worldwide citation)

A three piece prosthetic knee joint comprised of a femoral component in the form of a shell member having convex condylar portions with an insert having a top surface with concave portions which receive said condylar portions of the femoral component and a bottom surface that rotatably engages a pla ...


5
Shung Ho Chang, Frederick E Regnier: Chromatographic supports and methods and apparatus for preparing the same. Purdue Research Foundation, John R Nesbitt, June 14, 1977: US04029583 (85 worldwide citation)

Chromatographic supports are disclosed as are methods and apparatus for preparing the same. The support includes an inorganic support matrix that is capable of reacting with silanols, a stationary phase, and an intermediate silane coupling agent having a silicon functional group capable of bonding t ...


6
Gilbert S Banker: Pharmaceutical coating composition, and preparation and dosages so coated. Purdue Research Foundation, John R Nesbitt, Robert E Harris, May 18, 1982: US04330338 (82 worldwide citation)

Pharmaceutical coatings in the form of aqueous dispersion of a water insoluble polymer prepared by dissolving the polymer in a water immiscible organic solvent, emulsifying the organic solution in water, optionally with the aid of additives, and stripping the organic solvent from the system to provi ...


7
Stephen R Ash: Implantable catheter. Purdue Research Foundation, John R Nesbitt, Robert E Harris, January 18, 1983: US04368737 (68 worldwide citation)

An implantable catheter is disclosed that is particularly useful as a peritoneal access device. The catheter includes an elongated, flexible tube, one portion of which is adapted to extend into the body of a user with a second portion external to the body of the user. The end of the one portion of t ...


8
David P DeWitt, Robert E Hannemann, John F Wiechel: Method for determining bilirubin concentration from skin reflectance. Purdue Research Foundation, John R Nesbitt, June 14, 1977: US04029085 (65 worldwide citation)

A method is disclosed for determining the bilirubin concentration in the blood serum of a person from measurement of the spectral reflectance of the skin. The disclosed method detects the severity of jaundice, a common neonatal condition, and enables determination of the type of treatment regimen ne ...


9
Melvin J Robey: System and process for providing durability enhanced area. Purdue Research Foundation, John R Nesbitt, May 17, 1977: US04023506 (60 worldwide citation)

A system and process is disclosed for providing a durability enhanced area that is particularly well suited for use as an athletic playing field. A vegetative crop has one or more layers of netting associated therewith so that each layer of netting has portions of the vegetative crop extending there ...


10
Robert E Brandyberry, Mark M Forbes, David D Gloyeski, Russell F Greafnitz, Glen R Phillips, Robert L Straw, Kevin L Stricker, William A Szabela, Richard R Webeck, Glenn A Mayfield, William L Vollmer: Programmable demand register with two way communication through an optical port and external reading devices associated therewith. Duncan Electric Company, John R Nesbitt, September 17, 1985: US04542469 (58 worldwide citation)

A Programmable Demand Register (PDR.TM.) which has a multi-function externally programmable time based measuring system is disclosed. An optical communication port is provided for bidirectional communication of data, said meter being capable of recordation of energy consumption in several different ...