Plumb bob

Details Plumb bob Plumb bob

1997-05-13

1998-04-07

Davis, Antoine Duval

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

1004

Patent

active

D03932192

REFERENCES:
patent: D234098 (1975-01-01), Coumbs
patent: 266671 (1882-10-01), Bergen
patent: D334717 (1993-04-01), Evans, Jr. et al.
patent: D336049 (1993-06-01), Patridge et al.
patent: D359245 (1995-06-01), Lee et al.
patent: D379598 (1997-06-01), Trammell
patent: 787896 (1905-04-01), Converse
patent: 1060855 (1913-05-01), Pipher
patent: 1538746 (1925-05-01), Reneau
patent: 1577133 (1926-03-01), Learnihan
patent: 2135211 (1938-11-01), Johnson
patent: 2791037 (1957-05-01), Damron
patent: 2803067 (1957-08-01), Kurschner
patent: 5426860 (1995-06-01), Lee et al.
patent: 5469633 (1995-11-01), St. Peter
patent: 5586394 (1996-12-01), Courtney
Photograph of plumb bobs from The 1994 American Woodworker Calendar, .COPYRGT.1993.

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