Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1988-09-02
1990-12-25
Holtje, Nelson C.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03131904
REFERENCES:
patent: 41867 (1864-03-01), Sholl
patent: 146075 (1873-12-01), Jennings et al.
patent: D160541 (1950-10-01), Rippon
patent: 242096 (1881-03-01), James
patent: 299635 (1884-06-01), Forrest
patent: 826618 (1906-07-01), Small
patent: 868114 (1907-10-01), Obermeyer
patent: 1117597 (1914-11-01), Osterg
Highland Hardware 1988 Catalog, p. 38.
Woodcraft 1987-1988 Catalog, p. 40.
Davis Antoine D.
Holtje Nelson C.
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