Coating implements with material supply – Including ball – roller or endless-belt tool – Ball
Patent
1994-12-16
1996-12-31
Bratlie, Steven A.
Coating implements with material supply
Including ball, roller or endless-belt tool
Ball
401209, 401220, B43K 700, B43K 710
Patent
active
055887651
ABSTRACT:
An apparatus and method to enable investigators of medical and insurance fraud to quickly and reliably determine whether a plurality of signatures affixed to a series of documents were made with the same pen and/or at the same time. According to a first embodiment, a series of indentations are formed around the periphery of the rim at the forward end of a conventional ballpoint pen. The indentations produce radially inward extending projections which are aligned with the rolling ball of the pen to induce scratches or micro-striations in the ink lines applied to the paper from the ball. By analyzing the scratch patterns of different signatures applied by the same maker to different documents, an indication can be provided whether the signatures were all made with the same pen.
REFERENCES:
patent: 2511561 (1950-06-01), Beumer
patent: 3047901 (1962-08-01), Hubbard
patent: 4717277 (1988-01-01), Hutt
Bratlie Steven A.
Signa Scan, Inc.
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