Granted Patent
Utility
US 4,366,809 · App. 06/309,844
Isolation enclosure members
Inventor:
Philip C. Trexler
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Oct 8, 1981
Inventor
Philip C. Trexler
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.