J Samuel Batchelder: Method and apparatus for providing a dielectrophoretic display of visual information. Parmelee Bollinger & Bramblett, November 29, 1983: US04418346 (321 worldwide citation)

The present invention provides a method and apparatus for selectively displaying visual information using dielectrophoretic forces resulting from the application of a non-uniform electrical field to a dielectric material. Specifically, first and second visually distinguishable materials having diffe ...

Wayne W Chou, Joseph M Kulinets, Laszlo Elteto, Frederik Engel: Method of software distribution protection. Software Security, Parmelee Bollinger & Bramblett, August 9, 1994: US05337357 (301 worldwide citation)

A method is provided for protecting distributed software which relies on a unique factor such as an accessible serial number or the generation of a profile or fingerprint of the computer of the user which is entered individually and/or with a random factor to generate a unique first key which will d ...

Michael B Denlinger: Ambient-light-responsive touch screen data input method and system. Product Development Services Incorporated, Parmelee Bollinger & Bramblett, November 1, 1988: US04782328 (292 worldwide citation)

A convenient predetermined rectangular passive area is converted into a touch screen suitable for feeding X and Y cartesian coordinate data into a computer by employing ambient light as the medium to sense positioning of a pointer brought near to any desired coordinate location of the touch screen. ...

J Samuel Batchelder: Method and apparatus for dielectrophoretic manipulation of chemical species. Parmelee Bollinger & Bramblett, June 28, 1983: US04390403 (282 worldwide citation)

The present invention provides method and apparatus for manipulating one or more chemicals within a reaction chamber or housing by dielectrophoretic forces. At least two materials, one of which is a chemical to be manipulated, are provided within the housing. The materials have different dielectric ...

Clifford E Potocky, Ronald M Callanan, Raymond L Goudreau: Flexible cryoprobe. Frigitronics, Parmelee Bollinger & Bramblett, April 28, 1992: US05108390 (272 worldwide citation)

Cryosurgery may be performed by a microinvasive technique employing a novel cryosurgical probe. It is very thin, very long, and highly flexible. These characteristics are achieved by a construction consisting of a tube within a tube with no intermediate supporting elements therebetween. The probe is ...

Wayne W Chou, Richard E Erett: Method and apparatus for protecting computer software utilizing an active coded hardware device. Parmelee Bollinger & Bramblett, December 31, 1985: US04562306 (224 worldwide citation)

A method and apparatus are provided for protecting computer software using an active coded hardware apparatus which is adapted to be connected by an interface connector to a communications port of a computer. The computer is directed by a coded software program in which a small section of the code o ...

Toshitsugu Ueda, Fusao Kohsaka: Mechanical vibrating element. Yokogawa Hokushin Electric, Parmelee Bollinger & Bramblett, December 20, 1983: US04421381 (189 worldwide citation)

Herein disclosed is a mechanical vibrating element which can be used as a resonator made operative to resonate in a predetermined frequency, a filter having a frequency selecting property or an optical deflector adapted to be mechanically dislocated in accordance with an input signal for deflecting ...

Allen F Podell: Magnetic safety interlock for a food processor utilizing vertically oriented, quadrant coded magnets. Cuisinarts, Parmelee Bollinger & Bramblett, December 16, 1986: US04629131 (178 worldwide citation)

An improved safety interlock for a food processor of the type including a control system for preventing actuation of a powerful motor drive, so that the food processing tool does not rotate, unless two conditions have been met; namely,

Markus Mock, Ernst Vollm: Device for monitoring the air-pressure in pneumatic tires fitted on vehicle wheels. George W Rauchfuss Jr, Parmelee Bollinger & Bramblett, February 11, 1997: US05602524 (140 worldwide citation)

A device for monitoring the air pressure in pneumatic tires comprises a transmitting device fitted to each wheel of a vehicle and rotating with it, and a receiver which is built into the vehicle or accommodated in a separate housing. The transmitting device mounted in the wheel comprises a pressure ...

Albert Geisser, Hubertus Becker, Heinz Elmiger: Bone rasp made of plastics. IMT Integral Medizintechnik Trading, George W Rauchfuss Jr, Parmelee Bollinger & Bramblett, October 3, 1995: US05454815 (134 worldwide citation)

A bone rasp for the working of bones said rasp having a plastic toothed working section with teeth and cutting edges and a connecting section, optionally made of plastic, for connecting the rasp to an impact tool. This rasp can be manufactured inexpensively, making possible one-time use and thereby ...