Granted Patent
Utility
US 6,107,895 · App. 09/155,233
Circulator and components thereof
Inventors:
Roger John Butland, Alexander Grigorievich Schuchinsky, Gerald Leigh Therkleson
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Sep 23, 1998
Inventors
Roger John Butland
Alexander Grigorievich Schuchinsky
Gerald Leigh Therkleson
Assignee (at issue)
Deltec Telesystems International Limited
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.