Precision circle center finder and multifunctional...

Geometrical instruments – Gauge – Center – point – distance between centers – or centerline location

Reexamination Certificate

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C033S286000, C033S027010

Reexamination Certificate

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10842785

ABSTRACT:
A measuring instrument is described for application to the end of a circular member, such as a pipe, to locate the precise center of such circular member, and project it to a distant surface.

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patent: 5615485 (1997-04-01), Stoneberg
patent: 6124935 (2000-09-01), Matthews
patent: 6467179 (2002-10-01), Wolf

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