Granted Patent
Utility
US 5,485,673 · App. 08/260,595
Environmental connector
Inventor:
Frederick L. Lau
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jun 16, 1994
Inventor
Frederick L. Lau
Assignee (at issue)
Switchcraft, 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.