US PATENT SUBCLASS 401 / 256
.~ Broad face, adjustable gap tool (e.g., ruling pen)

Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

221  DF  BIFURCATE POINTED NIB TOOL (E.G., FOUNTAIN PEN) {3}
256.~ Broad face, adjustable gap tool (e.g., ruling pen) {1}
257  DD  .~.~> Pivotally related tool elements