Title:
Type for typewriting machines, perforation or printing as well as interpretation system for characters
United States Patent 2350893

Inventors:
Rolf, Hofgaard
Hellerud, Gaard Sondre
Publication Date:
06/06/1944
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Assignee:
Rolf, Hofgaard
Hellerud, Gaard Sondre
Primary Class:
400/104
Other Classes:
283/117, 178/17D, 101/399, 246/2R
International Classes:
B41J3/50; B41J3/44