Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Geometric
Patent
1991-12-03
1993-06-08
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Patent
active
D03362531
REFERENCES:
patent: D287475 (1986-12-01), Jordan
patent: 379423 (1888-03-01), Spencer
patent: 1317747 (1919-10-01), Whatley
patent: 1922758 (1933-08-01), Christopherson
patent: 2662296 (1953-12-01), Stedman
patent: 2782517 (1957-02-01), Daniel
Lee Valley Woodworking Tools 1989/1990 Catalogue, p. 9, item E.
Lee Valley Mini-Catalogue Fall '91, back over page, item C.
Lee Valley Fine Woodworking Tools 1991/1992 catalogue, p. 218, items C and D.
Davis Antoine D.
Douglas Alan P.
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