Geometrical instruments – Straightedge type – Rules
Patent
1993-08-12
1994-04-05
Will, Thomas B.
Geometrical instruments
Straightedge type
Rules
33757, 33760, G01B 308
Patent
active
052993582
ABSTRACT:
A measurement device which includes a band of flexible material having measurement indicia and a zero reference marked thereon. The band is fixedly positioned on a surface on which the measurement is to be made so that at least a portion of the band and the zero reference are exposed. The band is arranged so that it can be moved so that the zero reference corresponds to a measurement reference point on the surface from which a measurement is to be made.
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O'Connell Robert F.
Will Thomas B.
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