Combination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic mode
A Standard patent application filed on 13 March 1998 credited to Kimble, Thomas E.
Details
Application number :
65642
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Combination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic mode