Salemme Robert M: Sulfonated polyxylylene oxide as a permselective membrane for water vapor transport. General Electric Company, May 29, 1973: US3735559 (138 worldwide citation)

Sulfonated polyxylylene oxide membranes are very effective for the separation of water vapor from other gases. Such a gas separation is very selective and may be readily accomplished at atmospheric pressure. Membrane devices for humidifying or drying an air stream are described.

Bryan Graham W, Green David T: Instrument for ligating suturing and dividing organic tubular structures. United States Surgical Corporation, May 29, 1973: US3735762 (137 worldwide citation)

A medical instrument and associated cartridge for ligating an organic tubular structure, for suturing this structure in two places with a pair of sterilized staples and for dividing the tubular structure intermediate the suturing staples. The instrument is provided with a variable cam so that the li ...

Anderson David W, Gustafson Richard N, Johnson Lance H, Sparacio Francis J, Tomas William M, Webster James J: Central processing unit with hardware controlled checkpoint and retry facilities. International Business Machines Corporation, May 29, 1973: US3736566 (123 worldwide citation)

A data processing system with a central processing unit (CPU), main store (MS), and high speed storage (HSS) interposed between the CPU and store. The CPUhas a high degree of overlap and pipelining. That is, a plurality of instructions are buffered and predecoded through several stages prior to issu ...

Ohki Haruo: Automatic rotation indexing and masking of drum change device with manual release of the masking shutters. Ito Yoshie, May 29, 1973: US3735987 (123 worldwide citation)

A toy game machine is disclosed which includes a plurality of rotatable display drums each bearing suitable combinations of symbols on its peripheral surface and as many display windows as there are such drums for exposing to view therethrough the symbols which have been concealed during rotation of ...

Vogelman Joseph H, Kamen Ira: Technique for encoding and decoding scrambled t.v. transmissions by the simultaneous transmission of the encoding and decoding signals. Theatre Vision, May 29, 1973: US3736369 (110 worldwide citation)

A subscriber television system in which the television signal is encoded at the transmitter in a manner that causes the video and/or audio portion of the signal to be received in a scrambled form at the receiver. A decoder at the receiver operates in response to the subscriber's use of a program-sel ...

Skarstrom Charles W, Kertzman Jack: Process for separating fluids and apparatus. Perma Pure Process, May 29, 1973: US3735558 (104 worldwide citation)

A continuous process is provided for separating key components from mixed fluids, for example, separating water vapor from air, wherein a mixed fluid feed including a key component, at a preselected initial relatively high pressure is passed through a single or a series of hollow tube(s), the walls ...

Wilson Donald A: Receiver tuning system. Warwick Electronics, May 29, 1973: US3736513 (89 worldwide citation)

A harmonic generator produces simulated station signals which are heterodyned in the mixer stage of a receiver. A local oscillator of the receiver is swept through its frequency bandwidth, producing an IF pulse each time the receiver tunes one of the simulated stations. The IF pulses are counted, an ...

Donze Michel, Kohler Bernard Claude, Manoussi Gerard Philippe: Assemblage element for functional unit with card connector means. Societe Industrielle Honeywell Bull, May 29, 1973: US3736471 (83 worldwide citation)

A read-only memory wherein a complete unit thereof is fabricated as a pluggable circuit board, the board being adapted to function with different storage components by supporting the storage components in a removable pluggable fashion, the board proper holding in fixed form those elements and circui ...

Palmer Donald J, Palmer Mark L, Breinin Irwin A: Practice putting surface. May 29, 1973: US3735988 (79 worldwide citation)

A practice putting surface for indoor and outdoor use by a golfer having a plurality of individual putting sections of identical rectangular configuration, each section having four sides and a base portion with upper and lower surfaces, some with raised and/or depressed surfaces and detachable borde ...

Richards Joseph M, DeGroff Mark E: Duplex ultrasound generator and combined electrical muscle stimulator. Medco Products Co, May 29, 1973: US3735756 (78 worldwide citation)

A duplex electro-ultrasonic medical therapy apparatus comprising a pair of ultrasound generators connected to a common power source and keyed by a duplex keyer circuit, the output of which is connected to a transducer which converts the electrical oscillations into mechanical vibrations for applicat ...