Granted Patent
Utility
US 6,599,442 · App. 09/793,742
Temperature measurement and temperature controlled switching based on helical sense dependent liquid crystal phases
Inventor:
Mark M. Green
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Feb 26, 2001
Inventor
Mark M. Green
Assignee (at issue)
Polytechnic University
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.