Acoustic ear mold

Details Acoustic ear mold Acoustic ear mold

1980-01-28

1982-10-19

Kemper, Catherine E.

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Orthopedic or chiropractic

D2499

Patent

active

D02665905

REFERENCES:
patent: D141071 (1945-05-01), Hechler
patent: D221442 (1971-08-01), Feingold
patent: 2787670 (1957-04-01), Rowland
patent: 3104290 (1963-09-01), Rosemond et al.
patent: 3368644 (1968-02-01), Henderson
patent: 3602330 (1971-08-01), Johnson
patent: 3688863 (1972-09-01), Johnson
patent: 3921756 (1975-11-01), Johnson
patent: 4010820 (1977-03-01), Johnson
patent: 4090040 (1978-05-01), Berland

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