US1839415A
(en )
1932-01-05
Hand punch
US7409773B1
(en )
2008-08-12
Tile angle measurement device
GB819609A
(cg-RX-API-DMAC10.html )
US3421436A
(en )
1969-01-14
Selective document positioning means in bed and cylinder print machines
US3147683A
(en )
1964-09-08
Photographic printing apparatus
US3192801A
(en )
1965-07-06
Pivotable and indexable arm drill
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(en )
1953-08-25
Appliance on typewriting, calculating, or bookkeeping machines for positioning and adjusting a top sheet in front of one or more basic sheets
NO116695B
(cg-RX-API-DMAC10.html )
1969-05-05
GB972893A
(en )
1964-10-21
Improvements relating to printing machines
US2059652A
(en )
1936-11-03
Key canceling arrangement for
US3502266A
(en )
1970-03-24
Locking device for a postage meter
US4263753A
(en )
1981-04-28
Interchangeable faceting apparatus with reversible dual indexing mechanism
US2214897A
(en )
1940-09-17
Calculating machine
US2734271A
(en )
1956-02-14
Arc pantograph
US3426356A
(en )
1969-02-04
Typewriter for typing on stiff documents
US1983961A
(en )
1934-12-11
Device for performing trigonometrical calculations
US4415801A
(en )
1983-11-15
Printer countwheel mechanism
US3099214A
(en )
1963-07-30
Ticket guide for printers
US2362029A
(en )
1944-11-07
Typewriting machine
US2612315A
(en )
1952-09-30
Accounting machine control means
US2177817A
(en )
1939-10-31
Accounting machine
US2623693A
(en )
1952-12-30
Sensing means for record controlled sorting machines
US2644636A
(en )
1953-07-07
Control mechanism for accounting
US2125826A
(en )
1938-08-02
Typewriter
US3179191A
(en )
1965-04-20
Condition responsive instruments