Combined watch and stethoscope head

Details Combined watch and stethoscope head Combined watch and stethoscope head

1991-05-09

1994-05-17

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Watch, wristwatch or case

Combined

D10 2, D10 6, D10 30, D24134

Patent

active

D03469735

REFERENCES:
patent: D285964 (1986-09-01), Ziebol
patent: D300006 (1989-02-01), Booty
patent: D312578 (1990-12-01), Kumakura
patent: 3346069 (1967-10-01), Speelman
patent: 4254302 (1981-03-01), Walshe
patent: 4802550 (1989-02-01), Poore
Jewelers Circular-Keystone-No Date Available-No page available.

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