Granted Patent
Utility
US 5,770,259 · App. 08/337,645
Quantitative tinting
Inventors:
Theodore L. Parker, David S. Soane
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Nov 10, 1994
Inventors
Theodore L. Parker
David S. Soane
Assignee (at issue)
2C Optics, 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.