Granted Patent
Utility
US 4,919,255 · App. 06/839,543
Zero pressure accumulating conveyor and module
Inventors:
Steven J. Morgan, Gary L. Martin
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Mar 14, 1986
Inventors
Steven J. Morgan
Gary L. Martin
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.