Granted Patent
Utility
US 6,692,040 · App. 09/677,920
Lokring fitting having improved anti-torsion capability
Inventors:
Albert A. McKay, Andrew Bonnema
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Oct 3, 2000
Inventors
Albert A. McKay
Andrew Bonnema
Assignee (at issue)
LOKRING TECHNOLOGY, LLC
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.