Granted Patent
Utility
US 6,461,097 · App. 09/675,318
Wheelchair lift device
Inventors:
Karapet Ablabutyan, Parkev Krmoian
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Sep 29, 2000
Inventors
Karapet Ablabutyan
Parkev Krmoian
Assignee (at issue)
Maxon Lift Corporation
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.