Granted Patent
Utility
US 5,227,614 · App. 07/451,322
Core computer processor module, and peripheral shell module assembled to form a pocket size data capture unit
Inventors:
Arvin D. Danielson, Dennis A. Durbin
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Dec 15, 1989
Inventors
Arvin D. Danielson
Dennis A. Durbin
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.