GB631444A
(enExample )
GB1211218A
(en )
1970-11-04
Typewriter for embossing braille dots
US1822938A
(en )
1931-09-15
Typewriting machine
GB392582A
(en )
1933-05-19
Improvements in or relating to paper sheet feeding apparatus for the printing mechanism of statistical machines
US1276275A
(en )
1918-08-20
Type-writing machine.
GB1167363A
(en )
1969-10-15
Data Processing Methods for Printing Copy Sheets
US2284933A
(en )
1942-06-02
Typing apparatus
US2600346A
(en )
1952-06-10
Line spacing platen for flat-bed typewriting machines
US866624A
(en )
1907-09-24
Combined type-writing and printing machine.
US1203255A
(en )
1916-10-31
Type-writing machine.
US848560A
(en )
1907-03-26
Type-writing machine.
US1745512A
(en )
1930-02-04
Combined typewriting and card-punching machine
US1151730A
(en )
1915-08-31
Type-writing machine.
US953180A
(en )
1910-03-29
Machine for perforating master-sheets for type-writer operators.
US1425293A
(en )
1922-08-08
Typewriting machine
US1932646A
(en )
1933-10-31
Combined typewriting and computing machine
GB190909313A
(en )
1910-04-20
A Combined Writing Machine for Persons who can See and for Relief Writing for the Blind.
US2107398A
(en )
1938-02-08
Typewriting machine
US1725542A
(en )
1929-08-20
Typewriting machine
US1609137A
(en )
1926-11-30
Typewriting machine
US1578941A
(en )
1926-03-30
Typewriting machine
US1595591A
(en )
1926-08-10
Typewriting machine
Flewitt
1984
Words processed
US2866532A
(en )
1958-12-30
Typewriting and book-keeping machine provided with decimal tabulating mechanism
GB423569A
(en )
1935-02-04
Improvements in or relating to printing mechanism for computing and printing machines