Jeweler's shield

Details Jeweler's shield Jeweler's shield

1980-03-18

1982-06-01

Caun, Peter M.

Machines not elsewhere specified

Material working, abrading, or founding machinery

Element or attachment

D1599

Patent

active

D02647222

REFERENCES:
patent: 1007272 (1911-10-01), Crease
patent: 1340213 (1920-05-01), Burnett
patent: 1374075 (1921-04-01), Graham
patent: 2059039 (1936-10-01), Sandman
patent: 2100344 (1937-11-01), Medart
patent: 2401056 (1946-05-01), Dilley
patent: 2432535 (1947-12-01), McBride
patent: 2875642 (1959-03-01), Colburn
patent: 4120121 (1978-10-01), Surman

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