Granted Patent
Utility
US 5,298,049 · App. 08/027,074
Trough system
Inventor:
Willi Meyer
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Mar 5, 1993
Inventor
Willi Meyer
Assignee (at issue)
Emhart Glass Machinery Investments 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.