Surgery – Truss – Perineal
Patent
1975-11-04
1977-09-13
Michell, Robert W.
Surgery
Truss
Perineal
73211, 73212, A61B 508
Patent
active
040475212
ABSTRACT:
A rate-of-flow meter, particularly for diagnostic spirometry, comprises a flow tube containing, on diametrically opposite sides, a measuring stud provided with pressure taps and a displacement body facing the stud.
REFERENCES:
patent: 1110023 (1914-09-01), Wilkinson
patent: 1438811 (1922-12-01), Coyne
patent: 1924125 (1933-08-01), Linderman, Jr.
patent: 2035472 (1936-03-01), Hammond
patent: 2100978 (1937-11-01), Rheinlander
patent: 3045666 (1962-07-01), Dubsky et al.
patent: 3312106 (1967-04-01), Davis
Gerhardt Hans-Joachim
Kramer Carl
Cohen Lee S.
Michell Robert W.
Smith, Jr. John C.
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