Granted Patent
Utility
US 6,232,537 · App. 09/584,885
Piano action with articulated jack
Inventor:
Thomas E. Kimble
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jun 1, 2000
Inventor
Thomas E. Kimble
Assignee (at issue)
Baldwin Piano & Organ Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.