Granted Patent
Utility
US 4,658,357 · App. 06/657,002
Time and accounting system
Inventors:
Gary T. Carroll, Robert D. Hunter
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Oct 2, 1984
Inventors
Gary T. Carroll
Robert D. Hunter
Assignee (at issue)
BI Incorporated
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.