Geometrical instruments – Scriber
Patent
1997-11-05
2000-02-08
Bennett, G. Bradley
Geometrical instruments
Scriber
301649, 8369871, B41C 102, B26D 308
Patent
active
060215747
ABSTRACT:
An improved stylus assembly for replacing state of the art compressed air powered scribing tools, said stylus stem and point being monolithic and capable of operation indefinitely without failure of the stem, requiring only infrequent sharpening of the scribing tip.
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patent: 3353273 (1967-11-01), Sicking et al.
patent: 3384965 (1968-05-01), Sicking
patent: 3564712 (1971-02-01), Davis
patent: 3753384 (1973-08-01), Anfindsen
patent: 3818597 (1974-06-01), Schmied
patent: 4805312 (1989-02-01), Datwyler
patent: 5094134 (1992-03-01), Mizukoshi
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