Granted Patent
Utility
US 5,180,342 · App. 07/641,171
Device for maintaining belt alignment
Inventor:
Marvin D. Van Ee
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Jan 14, 1991
Inventor
Marvin D. Van Ee
Assignee (at issue)
Case GmbH
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.