Granted Patent
Utility
US 5,972,715 · App. 08/773,269
Use of thermochromic liquid crystals in reflectometry based diagnostic methods
Inventors:
Michael Anthony Celentano, Chris T. Zimmerle
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Dec 23, 1996
Inventors
Michael Anthony Celentano
Chris T. Zimmerle
Assignee (at issue)
Bayer Aktiengesellschaft
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.