Granted Patent
Utility
US 5,834,754 · App. 08/766,428
Portable data collection device with viewing assembly
Inventors:
Chen Feng, Ynjiun P. Wang
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Dec 12, 1996
Inventors
Chen Feng
Ynjiun P. Wang
Assignee (at issue)
Metanetics 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.