Writing instrument
United States Patent 2847975
Inventors:
Lawton, Ray A.
Publication Date:
08/19/1958
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Export Citation:
Assignee:
PARKER PEN CO
Primary Class:
Other Classes:
401/209, D19/51, 401/223, 401/241
International Classes:
B43K7/00; B43K7/04; B43K7/10
Foreign References:
| IT435349B | ||||
| FR944811A | ||||
| CH263054A | ||||
| FR965870A | ||||
| GB642437A | ||||
| DE806413C | ||||
| DE822364C | ||||
| DE838871C | ||||
| FR1035935A |