Combined digital clock and thermomeeter

Details Combined digital clock and thermomeeter Combined digital clock and thermomeeter

1981-07-20

1983-08-30

Holtje, Nelson C.

Measuring, testing, or signalling instruments

Clock or clock case

Combined

D10 2, D10 15, D10 22, D1001

Patent

active

D02703351

REFERENCES:
patent: D161957 (1951-02-01), Newman
patent: D187076 (1960-01-01), Anderson
patent: D190750 (1961-06-01), Marti
patent: D208998 (1967-10-01), Jeanrenaud
patent: D218119 (1970-07-01), Wildgen
patent: D243588 (1977-03-01), Ho
patent: D256559 (1980-08-01), Cross
patent: D262608 (1982-01-01), Drobshoff
patent: 2032414 (1936-03-01), Helbein
patent: 3177718 (1965-04-01), Stevenson
Jeweler's Circular-Keystone-3/76-p. 59-Watch at bottom left.
Smith Metal Arts-Flyer-1977-Clock at right.
Jeweler's Circular-Keystone-9/63-p. 134-Clock at left.

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