Granted Patent
Utility
US 5,659,307 · App. 08/412,436
Keyboard with biased movable keyboard sections
Inventors:
John P. Karidis, Michael P. Goldowsky, Gerard McVicker
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Mar 29, 1995
Inventors
John P. Karidis
Michael P. Goldowsky
Gerard McVicker
Assignee (at issue)
International Business Machines Corporation
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.