Granted Patent
Utility
US 5,815,109 · App. 08/916,783
Transmitter/receiver module of cordless keyboard assembly
Inventor:
Tom Tan
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Aug 25, 1997
Inventor
Tom Tan
Assignee (at issue)
BEHAVIOR TECH COMPUTER CORP.
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.