Granted Patent
Utility
US 5,280,481 · App. 07/763,340
Local area network transmission emulator
Inventors:
Eugene Chang, David B. Richardson, Bennett C. Baker
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Sep 20, 1991
Inventors
Eugene Chang
David B. Richardson
Bennett C. Baker
Assignee (at issue)
Extension Technology 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.