Granted Patent
Utility
US 5,896,779 · App. 08/904,998
Dual mode brake actuator for walker
Inventors:
Melvin C. Biersteker, Alfredo R. Nuno
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Aug 1, 1997
Inventors
Melvin C. Biersteker
Alfredo R. Nuno
Assignee (at issue)
Sunrise Medical HHG, 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.