Granted Patent
Utility
US 6,202,212 · App. 08/831,160
System for changing modalities
Inventors:
Derrill L. Sturgeon, Kevin J. Brusky
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Apr 1, 1997
Inventors
Derrill L. Sturgeon
Kevin J. Brusky
Assignee (at issue)
Compaq Computer 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.