Granted Patent
Utility
US 5,899,321 · App. 08/738,954
Take-up frame assembly for placing a conveyor under constant tension
Inventor:
Yehia El-Ibiary
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Oct 24, 1996
Inventor
Yehia El-Ibiary
Assignee (at issue)
Reliance Electric Industrial 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.