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You searched
:
Patents issued on Jan 18, 1977
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Check out Design Patents for Jan 18, 1977
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USRE29119
7-Pyridinium methyl carboxyl derivatives of 7-amino-cephalosporanic acid
- Jan 18, 1977
USRE29118
Method of preparing polyurethanes from liquid, stable, reactive, film-forming polymer/polyol mixtures formed by polymerizing an ethylenically unsaturated monomer in a polyol
- Jan 18, 1977
USRE29117
Automatic spray dispenser with integrated test apparatus
- Jan 18, 1977
USRE29116
Pressure gauge
- Jan 18, 1977
USRE29115
Contact gearing
- Jan 18, 1977
USRE29114
Burial vault
- Jan 18, 1977
US4004293
Tape player preamplifier circuit responsive to tape speed
- Jan 18, 1977
US4004292
System for producing chroma signals
- Jan 18, 1977
US4004291
Electric signal transmitter, preferably for alarm system
- Jan 18, 1977
US4004290
Method and apparatus for judging psychosomatic condition of the driver in motor vehicle
- Jan 18, 1977
US4004289
Acoustic grain flow rate monitor
- Jan 18, 1977
US4004288
Battery operated fire detection unit
- Jan 18, 1977
US4004287
Hollow magnetic domain recording device
- Jan 18, 1977
US4004286
Programmable random access memory (PRAM) integrated circuit memory device
- Jan 18, 1977
US4004285
Read-write circuitry for one transistor per bit random access memory
- Jan 18, 1977
US4004284
Binary voltage-differential sensing circuits, and sense/refresh amplifier circuits for random-access memories
- Jan 18, 1977
US4004283
Multiple interrupt microprocessor system
- Jan 18, 1977
US4004282
Circuit arrangement for an integrated data processing system composed of a small number of different chip types with all chips directly connectable to a common collecting bus
- Jan 18, 1977
US4004281
Microprocessor chip register bus structure
- Jan 18, 1977
US4004280
Calculator data storage system
- Jan 18, 1977
US4004279
Method and apparatus for controlling data transfer between input and output devices and a direct digital controller
- Jan 18, 1977
US4004278
System for switching multiple virtual spaces
- Jan 18, 1977
US4004277
Switching system for non-symmetrical sharing of computer peripheral equipment
- Jan 18, 1977
US4004276
Telephone answering machines
- Jan 18, 1977
US4004275
Self-clocking data entry unit system
- Jan 18, 1977
US4004274
Signal light assembly
- Jan 18, 1977
US4004273
Engine speed responsive anti-theft device for vehicle
- Jan 18, 1977
US4004272
Optical pressure switch
- Jan 18, 1977
US4004271
Low tire pressure warning system
- Jan 18, 1977
US4004270
Electronic tire pressure alarm circuitry
- Jan 18, 1977
US4004269
Brake lining wear warning system
- Jan 18, 1977
US4004268
In-line stress/strain detector
- Jan 18, 1977
US4004267
Discrete frequency seismic exploration using non uniform frequency spectra
- Jan 18, 1977
US4004266
Transducer array having low cross-coupling
- Jan 18, 1977
US4004265
Self-propelled array system
- Jan 18, 1977
US4004264
Variable resistance device
- Jan 18, 1977
US4004263
Protector module for telephone systems
- Jan 18, 1977
US4004262
Electromagnet for providing balanced friction face pressures on an armature in a vehicle electric brake system
- Jan 18, 1977
US4004261
Connection device
- Jan 18, 1977
US4004260
Power relay
- Jan 18, 1977
US4004259
Temperature responsive electric switch
- Jan 18, 1977
US4004258
Position indicating pulse latching solenoid
- Jan 18, 1977
US4004257
Transmission line filter
- Jan 18, 1977
US4004256
High frequency amplifier stage with input reference translation and output matching
- Jan 18, 1977
US4004255
Microwave frequency phase modulator
- Jan 18, 1977
US4004254
Swif with side lobe compensation barrier
- Jan 18, 1977
US4004253
Variable equalizer
- Jan 18, 1977
US4004252
Safe deposit apparatus, with selective plate and shield for dual function depository
- Jan 18, 1977
US4004251
Inverter transformer
- Jan 18, 1977
US4004250
Laser action by optically depumping lower states
- Jan 18, 1977
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