Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41J - Typewriters; Selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; Correction of typographical errors › B41J 21 - Column, tabular, or like printing arrangements; Means for centralising short lines
Patents for B41J 21 - Column, tabular, or like printing arrangements; Means for centralising short lines (3,614)
09/1977
09/27/1977US4050564 Electronic control for optimizing carrier turnaround in printing apparatus
08/1977
08/30/1977US4045780 Apparatus for arithmetically processing bill records
06/1977
06/28/1977US4031996 Tab repositioning system
06/28/1977US4031994 Double tab rack for a typewriter
06/21/1977US4031519 Printer
05/1977
05/31/1977US4026402 Incremental line printer
05/10/1977US4022312 Semi-automatic centering control
01/1977
01/25/1977US4004675 Tabulator device for typewriters and the like
12/1976
12/21/1976US3999164 Printing device
09/1976
09/07/1976US3978967 Typewriter tabulator
07/1976
07/13/1976US3968868 Format control system for positioning final copy printed text
04/1976
04/27/1976US3952852 Column format control system
04/13/1976US3949854 Typewriter carriage construction
02/1976
02/17/1976US3938644 Horizontal tabulation apparatus for accounting machines or the like
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