1
Lowell Robert Norman: Portable structure. November 9, 1976: US03990463 (172 worldwide citation)

Disclosed is a portable structure having principal utility as a tent. The support for the structure comprises a continuous loop of a flexible, coilable, resilient material such as flat spring steel stock. The support is secured to the fabric of the structure at at least a plurality of points and pre ...


2
David Bates Russell: Fastener attachment needle. Dennison Manufacturing Company, Thompson Birch Gauthier & Samuels, November 9, 1976: US03990619 (163 worldwide citation)

An improved hollow needle is provided for inserting through a material a fastener having a flexible filament with a retaining cross-bar at one end. The improved needle has an end for penetrating the material, a hollow central bore for slidably receiving the fastener cross-bar, a longitudinal slot al ...


3
Deane Hillsman: Respiratory biofeedback and performance evaluation system. L G Wise, November 9, 1976: US03991304 (156 worldwide citation)

A positive biofeedback training system which visually displays desired respiratory parameters along with performance. Suitable respiratory airflow transducer means is used to generate and compare flow signals in real time to the physician-, technician-, or teacher - prescribed desirable performance ...


4
Edward J Murry, Joseph F Brumbach: Medical machine for performing surgery and treating using ultrasonic energy. Fibra Sonics, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, November 9, 1976: US03990452 (150 worldwide citation)

A machine for performing surgery and treatment utilizing ultrasonic energy wherein so as to obtain precise control of the operating frequency and eliminate unnecessary heating and loss of power the hand tool as well as the generator and power supply are designed after establishing the designed crite ...


5
Robert M Gelber: Coated architectural glass system and method. Optical Coating Laboratory, Flehr Hohbach Test Albritton & Herbert, November 9, 1976: US03990784 (150 worldwide citation)

Coated architectural glass system having a transparent substrate with a surface and a multi-layer coating disposed on the surface. The multi-layer coating comprises first and second metal layers and a dielectric layer disposed between the first and second metal layers. The first and second metal lay ...


6
Raphael Katzen, Vincent B Diebold: Alcohol distillation process. Raphael Katzen Associates International, Hibben Noyes & Bicknell, November 9, 1976: US03990952 (139 worldwide citation)

A crude alcohol-containing mixture comprising a saturated aliphatic alcohol of not more than three carbon atoms and associated impurities is processed in a three-tower distillation system to permit recovery of the desired alcohol product in highly concentrated and purified form. In the first tower t ...


7
Yoshimutsu Hirata: Frequency division multiplex system using comb filters. Edwin E Greigg, November 9, 1976: US03991277 (130 worldwide citation)

Disclosed herein is a novel frequency division multiplex system for use in connection with transient signals such as speech and music signals. One embodiment includes a pair of comb filters, the response characteristics of which are staggered so that the pass bands of one comb filter are in alignmen ...


8
Donald F Kaminski: Storage battery monitoring and recharging control system with automatic control of prime mover driving charging generator. The Stolle Corporation, Melville Strasser Foster & Hoffman, November 9, 1976: US03991357 (109 worldwide citation)

An automatic monitoring and recharging system adapted to continuously monitor the terminal voltage of a D.C. storage battery and, whenever the terminal voltage falls below a first preselected value, to automatically initiate an engine-driven A.C. generator which is utilized to recharge the storage b ...


9
Robert M Hughes: Coin-operated recording machine. Boniard I Brown, November 9, 1976: US03990710 (109 worldwide citation)

Recording apparatus for "dubbing" (recording from one to the other) onto a customer's magnetic tape cartridge, selected audio and/or video recordings stored in the apparatus. The apparatus includes means for activating the apparatus, means for selecting the desired recordings, means for identifying ...


10
Nicholas G Douvas, Henry T Dinkelkamp: Apparatus for cataract surgery. Harness Dickey & Pierce, November 9, 1976: US03990453 (108 worldwide citation)

A cutting tip for a rotary motor-driven cutting instrument for cataract surgery consists of a hollow stationary tube and a tubular cutter journaled therein and projecting therefrom, the cutting tip being open at its end and having concentric axially directed arcuate cutting edge portions. An annular ...