Tab key (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tab key" in English language version.

Last modified: 16:27:32, 12 July 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

1,154^th place

606^th place

low place

1^st place

machinesoflovinggrace.com (Global: low place; English: low place)

Fredric W. Hillard, Type-writing machine, U.S. patent 720,520, granted Feb. 10, 1903.
Harry S. Dukes and William H. Clayton, Tabulating mechanism for type-writing machines, U.S. patent 908,221, granted Dec. 29, 1908.
Edward B. Hess, Writing Machine, U.S. patent 931,305, granted Aug. 17. 1909.
James F. Koca, Typewriter stop mechanism, U.S. patent 2,358,517, granted Sep. 19, 1944.

"Underwood Portable Typewriter Gallery". Archived from the original on 2011-02-22. Retrieved 2011-04-09.