Granted Patent
Utility
US 5,957,158 · App. 09/075,766
Visual position indicator
Inventors:
Greg Volz, Drew LaMarca
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: May 11, 1998
Inventors
Greg Volz
Drew LaMarca
Assignee (at issue)
Automatic Switch Company
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.