Granted Patent
Utility
US 5,333,606 · App. 08/081,722
Method for using a respirator accessory access port and adaptor therefore
Inventors:
James G. Schneider, Kok-Hiong Kee
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jun 23, 1993
Inventors
James G. Schneider
Kok-Hiong Kee
Assignee (at issue)
Sherwood Medical Company
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.