Measuring and testing – Barometer – Aneroid
Patent
1979-08-22
1981-01-20
Yasich, Daniel M.
Measuring and testing
Barometer
Aneroid
73729, G01L 712
Patent
active
042455081
ABSTRACT:
This invention relates to pressure indicators, and more particularly to an improved pressure indicator whose use is especially advantageous in sensitive pressure altimeters in which high resolution and low friction are important.
REFERENCES:
patent: 2162308 (1939-06-01), Jenny
patent: 2366566 (1945-01-01), Shivers
patent: 2689480 (1954-09-01), Angst
patent: 3062053 (1962-11-01), Weber
patent: 3083343 (1963-03-01), Le Febvre
patent: 3495462 (1970-02-01), Knapp
patent: 3631435 (1971-12-01), Elenbass
Intercontinental Dynamics Corporation
Yasich Daniel M.
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