Granted Patent
Utility
US 5,454,652 · App. 08/151,432
Adjustable keyboard
Inventors:
John M. Huellemeier, Charles H. Lingle, Kenneth H. Mimlitch, Edward E. Pollard, Raymond Reichenbach
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Nov 12, 1993
Inventors
John M. Huellemeier
Charles H. Lingle
Kenneth H. Mimlitch
Edward E. Pollard
Raymond Reichenbach
Assignee (at issue)
Lexmark International, Inc.
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.