73736403
Jun 23, 1988
Sep 26, 1989
NAVIGATION INSTRUMENTS AND INDICATORS FOR MEASURING SPEED; TRANSDUCERS FOR USE WITH NAVIGATIONAL INSTRUMENTS; INSTRUMENTS FOR MEASURING WIND SPEED; INSTRUMENTS FOR MEASURING WIND ANGLE; INSTRUMENTS FOR MEASURING WIND DIRECTION; NAUTICAL MILEAGE COUNTER; NAVIGATIONAL DEPTH SOUNDERS; FITTED COMPASSES; PORTABLE COMPASSES; DISTANCE MEASURING APPARATUS; DISTANCE RECORDING APPARATUS; WATER LEVEL INDICATORS; APPARATUS FOR TAKING NAUTICAL MEASUREMENTS; METEOROLOGICAL INSTRUMENTS, NAMELY BAROMETRIC PRESSURE INDICATORS; NAVIGATIONAL INSTRUMENTS, NAMELY, MAGNETIC AND ELECTRONIC COMPASSES; OPTICAL RANGE FINDERS; TRANSMITTERS; SONARS; AUTOMATIC STEERING APPARATUS; AND TIME RECORING APPARATUS
Electrical and Scientific Apparatus