Granted Patent
Utility
US 4,860,878 · App. 07/186,131
Collapsible conveyor support structure/carrier
Inventors:
Dennis Mraz, Donald R. Skuce
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Apr 26, 1988
Inventors
Dennis Mraz
Donald R. Skuce
Assignee (at issue)
DM Enterprises, 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.