Granted Patent
Utility
US 5,504,501 · App. 08/276,568
Optical input arrangement and method of using same
Inventors:
Lane T. Hauck, Leonid Shapiro
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jul 18, 1994
Inventors
Lane T. Hauck
Leonid Shapiro
Assignee (at issue)
Proxima Corporation
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.