Granted Patent
Utility
US 6,749,606 · App. 09/946,706
Devices for creating collateral channels
Inventors:
Thomas Keast, David Thompson, Don Tanaka
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Sep 4, 2001
Inventors
Thomas Keast
David Thompson
Don Tanaka
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.