Granted Patent
Utility
US 4,354,294 · App. 06/185,949
Rotary wall deslagger
Inventor:
Theodore R. Silver
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Sep 10, 1980
Inventor
Theodore R. Silver
Assignee (at issue)
White Consolidated Industries, 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.