Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Secretarial shift mechanism for an electric keyboard

Secretarial shift mechanism for an electric keyboard

US Patent 4295012 · Granted Oct 13, 1981

Estimated economic value: $1,032,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for use in fabricating a structure2018
System and method for use in fabricating a structure2017
Keyswitch stabilizing device1985
Capacitive keyswitch with overtravel mechanism on moveable plate1982
Removable digit engageable means for separating a catheter and stylet1980