Granted Patent
Utility
US 6,043,887 · App. 09/200,439
Polarimeter
Inventors:
Louis B. Allard, Robert I. MacDonald, Carey M. Garrett
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Nov 27, 1998
Inventors
Louis B. Allard
Robert I. MacDonald
Carey M. Garrett
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.