B - Operations – Transporting – 43 – K
Patent
B - Operations, Transporting
43
K
207/34
B43K 24/10 (2006.01) B43K 8/18 (2006.01) B43K 17/00 (2006.01) B43K 24/06 (2006.01)
Patent
CA 1205782
ABSTRACT A writing instrument comprising a plurality of coaxial writing nibs and means for advancing and retracting the nibs relative to one another to adjust a selected nib into an opera- tive writing position, whereby the instrument is adjustable to produce lines of different predetermined widths.
423866
Baker Hugh W.b.
Fehr Ivor J.m.
Berol Corporation
Mcfadden Fincham
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