Granted Patent
Utility
US 6,796,418 · App. 10/607,126
Addition of intermediate supports for spiral conveyors
Inventors:
James J. Harrison, William J. Werner
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jun 26, 2003
Inventors
James J. Harrison
William J. Werner
Assignee (at issue)
KVP 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.