Granted Patent
Utility
US 6,675,939 · App. 09/773,722
Elevator brake assembly
Inventors:
Kevin L. Maurice, Timothy J. Dahlstrom, Stephen E. Nyquist, Jon L. Masthay
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jan 31, 2001
Inventors
Kevin L. Maurice
Timothy J. Dahlstrom
Stephen E. Nyquist
Jon L. Masthay
Assignee (at issue)
Inertia Dynamics 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.