Granted Patent
Utility
US 4,841,526 · App. 06/932,926
Data communications system
Inventors:
Jon C. Wilson, deceased, David Shick, Robert L. Haynie, Donald Ray Wilder, Larry D. Zimmerman, Richard M. LeCour, D. James Guzy
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Nov 19, 1986
Inventors
Jon C. Wilson, deceased
David Shick
Robert L. Haynie
Donald Ray Wilder
Larry D. Zimmerman
Richard M. LeCour
D. James Guzy
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.