Device for producing code characters, for use with typewriters and similar characterprinting apparatus
United States Patent 3241648
Inventors:
Valter, Stenudd Sven Gunnar
Publication Date:
03/22/1966
Assignee:
ATVIDABERGS IND AB
Other Classes:
234/89, D18/12, 234/36, 400/74
International Classes:
B41J3/51; B41J3/44