Granted Patent
Utility
US 4,450,964 · App. 06/468,123
Protective plastic bag and method of utilizing the same to remove articles from a hepa filter housing
Inventor:
Joseph A. Wood
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Feb 22, 1983
Inventor
Joseph A. Wood
Assignee (at issue)
FLANDERS FILTERS, 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.