GB453474A
(enrdf_load_stackoverflow )
GB676195A
(en )
1952-07-23
Improvements in and relating to typing and justifying machines
GB345957A
(en )
1931-03-24
Improvements in or relating to embossing machines
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
US1465871A
(en )
1923-08-21
Calculating machine
US1279687A
(en )
1918-09-24
Combined type-writing and computing machine.
US1285150A
(en )
1918-11-19
Combined type-writing and computing machine.
US201401A
(en )
1878-03-19
Improvement in num bering-machines
GB126240A
(en )
1919-05-08
Improvements in Line-spacing Mechanism for Typewriting Machines
GB629707A
(en )
1949-09-27
Improvements in or relating to accounting and similar calculating machines
US2248202A
(en )
1941-07-08
Combined typewriting and computing
GB611539A
(en )
1948-11-01
Improvements in or relating to cash registers and similar accounting machines
US1223871A
(en )
1917-04-24
Combined type-writing and computing machine.
GB496630A
(en )
1938-12-02
Improvements in or relating to spacing-mechanism for typewriting machines
GB794280A
(en )
1958-04-30
Proportional letter feed mechanism for typewriting machines
GB380551A
(enrdf_load_stackoverflow )
GB107207A
(en )
1917-06-22
Improvements in Combined Typewriting and Computing Machines.
US1157884A
(en )
1915-10-26
Combined type-writing and computing machine.
GB190401286A
(en )
1904-05-12
Improvements in Computing and Recording Machines.
GB536405A
(enrdf_load_stackoverflow )
GB982721A
(en )
1965-02-10
Adding machine
GB361484A
(enrdf_load_stackoverflow )
GB737050A
(en )
1955-09-21
Computing machine
GB199046A
(enrdf_load_stackoverflow )
GB190001960A
(en )
1901-01-12
Improvements in or relating to Type Impression Mechanism and Matrix Making Machines.