Granted Patent
Utility
US 4,817,784 · App. 06/382,586
Zero pressure accumulating conveyor control
Inventor:
Gregory R. Judge
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: May 27, 1982
Inventor
Gregory R. Judge
Assignee (at issue)
Figgie Inernational Inc.
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.