Granted Patent
Utility
US 6,733,227 · App. 10/081,937
Elevating lift
Inventors:
Jeffrey S. Fitzgerald, Edward V. Carter
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Feb 21, 2002
Inventors
Jeffrey S. Fitzgerald
Edward V. Carter
Assignee (at issue)
Engineered Support Systems, 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.