Granted Patent
Utility
US 6,746,162 · App. 10/619,306
Combination visible and infrared pipe
Inventors:
Edward Peter Gancarcik, Peter Craig
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jul 14, 2003
Inventors
Edward Peter Gancarcik
Peter Craig
Assignee (at issue)
MITEL KNOWLEDGE CORPORATION
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.