Granted Patent
Utility
US 5,113,854 · App. 07/470,066
Quick-donning protective hood assembly
Inventors:
Jeffrey J. Dosch, James V. Zappa
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Jan 25, 1990
Inventors
Jeffrey J. Dosch
James V. Zappa
Assignee (at issue)
Figgie Inernational 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.