1
William A Brastad: Packaged food item and method for achieving microwave browning thereof. General Mills, Gene O Enockson, L MeRoy Lillehaugen, May 12, 1981: US04267420 (221 worldwide citation)

A food item is wrapped with plastic film or other dielectric substrate having a very thin coating thereon which controls the microwave conductivity when the package is placed within a conventional microwave oven. The plastic film or other substrate and its coating conform to a substantial surface po ...


2
John P Ryaby, Arthur A Pilla: Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment. Electro Biology, Hopgood Calimafde Kalil Blaustein & Lieberman, May 12, 1981: US04266532 (215 worldwide citation)

Surgically non-invasive method of and apparatus for altering the growth, repair and maintenance behavior of living tissues and/or cells by inducing voltage and concomitant current pulses of specific time-frequency-amplitude relations therewithin.


3
Kenji Hamaguri: Digital oximeter. Minolta Camera Kabushiki Kaisha, Jackson Jones & Price, May 12, 1981: US04266554 (188 worldwide citation)

A digital oximeter for noninvasively measuring oxygen saturation of the arterial blood is provided. Photoelectric transducers measure the light intensity after passing through living tissue to produce at least a pair of output signals of different wavelengths of light. A sample hold circuit is provi ...


4
John P Ryaby, Arthur A Pilla: Modification of the growth, repair and maintenance behavior of living tissues and cells by a specific and selective change in electrical environment. Electro Biology, Hopgood Calimafde Kalil Blaustein & Lieberman, May 12, 1981: US04266533 (179 worldwide citation)

Surgically non-invasive method of and apparatus for altering the growth, repair and maintenance behavior of living tissues and/or cells by inducing voltage and concomitant current pulses of specific time-frequency-amplitude relations therewithin.


5
Robert W Hallman, Stanford R Ovshinsky, John P de Neufville: Method for full format imaging. Energy Conversion Devices, Wallenstein Spangenberg Hattis & Strampel, May 12, 1981: US04267261 (165 worldwide citation)

In a method for full format imaging, a solid continuous film of a dispersion imaging material is provided on a substrate and it disperses into a discontinuous film comprising space globules and free space therebetween through which free space light can pass where it is subjected to a short pulse of ...


6
Wilfried Schal: Hemodialysis apparatus. Dr Edward Fresenuis Chemischpharmazeutische Industrie KG Apparatebau KG, W G Fasse, D F Gould, May 12, 1981: US04267040 (156 worldwide citation)

The ultra-filtration in a hemodialysis operation is controlled by a control apparatus which is connected to a balancing device (1) and to a dosing device (9) to form a closed loop control circuit for the metered supply of dialysis concentrate into the balancing device and for the metered supply of f ...


7
Worthington J Thompson: Controlled natural purification system for advanced wastewater treatment and protein conversion and recovery. Walter G Finch, May 12, 1981: US04267038 (143 worldwide citation)

The invention is an improved controlled natural purification system for an advanced wastewater treatment and protein conversion and recovery. The system provides for treating municipal wastewater and associated organic industrial discharges anaerobically and aerobically. The system consists of such ...


8
Michael W Schmohl: Continuous sole for sports shoe. Uniroyal, Philip Rodman, May 12, 1981: US04266349 (139 worldwide citation)

A continuous outsole for a sports shoe has a profile pattern characterized by a first large circular pattern section at the area of the ball of the foot and a second large circular pattern section at the heel area. Each large circular pattern section has a center point that is disposed substantially ...


9
Thomas E Dechant, Edward L Glaser, Paul E Pitt, Frederick Way: Information storage and retrieval system. System Development Corporation, Christie Parker & Hale, May 12, 1981: US04267568 (135 worldwide citation)

Method and means using order of occurrence of entries and of events within entries for creating a data base and/or for finding a predetermined degree of match between the order of occurrence of events and entries in a request and a stored data base and/or for recreating an input in the original orde ...


10
Basil E Wainwright: Rear view mirror. Laubscher & Laubscher, May 12, 1981: US04266856 (132 worldwide citation)

A motor vehicle rear view mirror is disclosed having a mirror glass which pivots automatically from a normal position to an anti-glare position in response to headlight glare. The glass is mounted between a front frame and a back plate of a two part housing and carries a magnetic member for co-opera ...