Nasal dilator

Details Nasal dilator Nasal dilator

1994-07-29

1997-06-24

Zarfas, Louis S.

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Hand manipulated tool or instrument

D24106, 2402

Patent

active

D03802647

REFERENCES:
patent: D310565 (1990-09-01), Petruson
patent: D325439 (1992-04-01), Apple et al.
patent: 701538 (1902-06-01), Carence
patent: 1256188 (1918-02-01), Wilson
patent: 1292083 (1919-01-01), Sawyer
patent: 1950926 (1934-10-01), Lobl
patent: 2055855 (1936-09-01), Weaver
patent: 2243360 (1941-05-01), Slatis
patent: 2264153 (1941-02-01), Rowe
patent: 2277390 (1942-03-01), Crespo
patent: 2426161 (1947-08-01), Biederman
patent: 2715904 (1955-08-01), Hill
patent: 3905335 (1975-09-01), Kapp
patent: 4201217 (1980-05-01), Slater
patent: 4267831 (1981-05-01), Aguilar
patent: 4327719 (1982-05-01), Childers
patent: 4592357 (1986-06-01), Ersek
Bjorn Petruson, Improvement of the Nasal Airflow by the Nasal Dilator Nozoven.RTM., 1988 pp. 289-292.

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