Granted Patent
Utility
US 5,201,406 · App. 07/868,109
Belt winder
Inventor:
John K. Kellis
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Apr 14, 1992
Inventor
John K. Kellis
Assignee (at issue)
Continental Conveyor & Equipment Company
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.