Granted Patent
Utility
US 6,440,592 · App. 09/701,635
Thermochromic coating
Inventors:
Bruno K. Meyer, Dirk Schalch, Thomas Christmann
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Feb 1, 2001
Inventors
Bruno K. Meyer
Dirk Schalch
Thomas Christmann
Assignee (at issue)
Bruno K. Meyer
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.