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Patent applications and USPTO patent grants for Robertsson; Hans R..The latest application filed is for "transmission of information by sweeping fan-shaped beams".
Patent | Date |
---|---|
Transmission of information by sweeping fan-shaped beams Grant 4,227,261 - Robertsson October 7, 1 | 1980-10-07 |
Method and means for determining positions of reflectors with fan-shaped beams Grant 4,218,138 - Robertsson August 19, 1 | 1980-08-19 |
System for transmitting position information Grant 4,007,991 - Robertsson February 15, 1 | 1977-02-15 |
Apparatus for antiaircraft gunnery practice with laser emissions Grant 3,955,292 - Robertsson May 11, 1 | 1976-05-11 |
Gunnery training scoring system with laser pulses Grant 3,927,480 - Robertsson * December 23, 1 | 1975-12-23 |
Sonic liquid level measuring apparatus Grant 3,884,074 - Robertsson May 20, 1 | 1975-05-20 |
Gunnery Training Scoring System With Laser Pulses Grant 3,832,791 - Robertsson September 3, 1 | 1974-09-03 |
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