Granted Patent
Utility
US 6,715,784 · App. 10/040,279
Method programming and operating a wheelchair having tilt and recline functions
Inventors:
James M. Koerlin, Mark E. Greig
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Oct 19, 2001
Inventors
James M. Koerlin
Mark E. Greig
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.