Granted Patent
Utility
US 5,577,909 · App. 08/462,463
Conveyor belt system and heater utilizing said system
Inventor:
George Raymond Langland
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Jun 5, 1995
Inventor
George Raymond Langland
Assignee (at issue)
Raychem 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.