Granted Patent
Utility
US 4,860,915 · App. 07/075,442
Baghouse with integral wall stiffeners
Inventor:
Jack T. Clements
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Jul 20, 1987
Inventor
Jack T. Clements
Assignee (at issue)
Standard Havens, 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.