Type key blocking mechanism
United States Patent 2869703
US Patent References:
/1100795.html
- - 1100795

Key-controlled operating mechanism
- - 1678491

Keyboard mechanism
- - 1819975


Inventors:
Martin, Hebel
Publication Date:
01/20/1959
View Patent Images:
Assignee:
Grundig, Max
Primary Class:
Other Classes:
400/364, 178/17C, 400/479, 400/83
International Classes:
B41J7/02; B41J7/00