Granted Patent
Utility
US 5,042,644 · App. 07/470,450
Zero pressure accumulation conveyor and trigger assembly
Inventor:
Jonathan Davis
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jan 18, 1990
Inventor
Jonathan Davis
Assignee (at issue)
Ermanco Incorporated
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.