Granted Patent
Utility
US 5,488,575 · App. 08/226,516
Portable work station and data collection terminal including switchable multi purpose touch screen display
Inventors:
Arvin D. Danielson, Darald R. Schultz, Dennis Silva, Darrell L. Boatwright, Rickey G. Austin, Daniel E. Alt
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Apr 12, 1994
Inventors
Arvin D. Danielson
Darald R. Schultz
Dennis Silva
Darrell L. Boatwright
Rickey G. Austin
Daniel E. Alt
Assignee (at issue)
Norand 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.