Geometrical instruments – Indicator of direction of force traversing natural media – Structurally installed including relation to feature thereof
Patent
1984-12-12
1986-04-15
Stearns, Richard R.
Geometrical instruments
Indicator of direction of force traversing natural media
Structurally installed including relation to feature thereof
33355R, 350600, G01C 1704, G02B 508
Patent
active
045818274
ABSTRACT:
A compass attached to a car door mirror is disclosed which provides protection for the compass and improved readability, while avoiding the reliability problems of compasses mounted inside the car. The compass is embedded in the frame of the car door mirror which makes it both less obtrusive and physically more secure.
REFERENCES:
patent: D162098 (1951-02-01), Vacanti
patent: 1528082 (1925-03-01), Schlaich
patent: 3276137 (1966-10-01), Lore
patent: 3286358 (1966-11-01), Smokowski
patent: 4309828 (1982-01-01), Sakamoto
patent: 4402140 (1983-09-01), Nagae
Kananen Ronald P.
Niles Parts Co., Ltd.
Stearns Richard R.
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