Granted Patent
Utility
US 6,477,504 · App. 09/034,774
Method and apparatus for automating the conduct of surveys over a network system
Inventors:
Charles B. Hamlin, Leroy Smith
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Mar 2, 1998
Inventors
Charles B. Hamlin
Leroy Smith
Assignee (at issue)
I.X Co., Ltd.
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.