Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1989-12-01
1992-04-07
Walsh, Donald P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03251772
REFERENCES:
patent: D133097 (1942-07-01), Carr
patent: 147044 (1874-02-01), Church
patent: D220061 (1971-03-01), Kerns
patent: D232659 (1974-09-01), Cameron
patent: D308831 (1990-06-01), MacLean
patent: 821092 (1906-05-01), Fox
patent: 1840135 (1932-01-01), Schutt
Woodcraft Supply Corp. 12" Metal Sliding Bevel Square, 11/1988, p. 40.
Davis Antoine D.
Vogrig Joice L.
Walsh Donald P.
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