Granted Patent
Utility
US 6,045,238 · App. 09/169,600
Illumination assembly for an optical viewing device
Inventors:
Robert C. Wheeler, Michael J. Pileski
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Oct 9, 1998
Inventors
Robert C. Wheeler
Michael J. Pileski
Assignee (at issue)
Welch Allyn, Inc.
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.