Granted Patent
Utility
US 5,811,784 · App. 08/494,435
Extended working range dataform reader
Inventors:
Mark J. Tausch, Ynjiun P. Wang, Timothy P. O'Hagan
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jun 26, 1995
Inventors
Mark J. Tausch
Ynjiun P. Wang
Timothy P. O'Hagan
Assignee (at issue)
TELXON 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.