Granted Patent
Utility
US 6,046,684 · App. 08/862,562
Single button contrast control
Inventors:
Richard A. Hamersley, Mark F. Pleso, Lee E. Leppo
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: May 23, 1997
Inventors
Richard A. Hamersley
Mark F. Pleso
Lee E. Leppo
Assignee (at issue)
TELXON 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.