Granted Patent
Utility
US 6,575,501 · App. 09/658,913
Tube sealing bushing
Inventor:
H. Max Loy, Jr.
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Sep 11, 2000
Inventor
H. Max Loy, Jr.
Assignee (at issue)
Valco Instruments Company, 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.