Printing and office machinery – Typewriter or calculator – Element or attachment
Patent
1986-12-31
1989-12-05
Largen, James R.
Printing and office machinery
Typewriter or calculator
Element or attachment
Patent
active
D03049558
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patent: 4400103 (1983-08-01), Daughters
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Largen James R.
Sharp Kabushiki Kaisha
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