Granted Patent
Utility
US 5,953,147 · App. 08/972,381
Polygon mirror having high reflectance and uniform reflectance over range of incidence angles
Inventors:
Michael B. Brandt, Walter S. Piskorowski, Jr.
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Nov 18, 1997
Inventors
Michael B. Brandt
Walter S. Piskorowski, Jr.
Assignee (at issue)
EASTMAN KODAK 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.