Granted Patent
Utility
US 6,098,987 · App. 09/208,392
Machinery seal
Inventor:
Tadd McBride
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Dec 9, 1998
Inventor
Tadd McBride
Assignee (at issue)
Macrotech Polyseal, 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.