Granted Patent
Utility
US 6,021,162 · App. 08/941,949
Vortex serial communications
Inventors:
Michael J. Gaboury, Xiaoxin Feng
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Oct 1, 1997
Inventors
Michael J. Gaboury
Xiaoxin Feng
Assignee (at issue)
ROSEMOUNT INC.
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.