Granted Patent
Utility
US 6,557,724 · App. 09/651,599
Vertical conveyor
Inventors:
Donald LeCroy, Donald L. Anderson, Christopher Murphy
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Aug 30, 2000
Inventors
Donald LeCroy
Donald L. Anderson
Christopher Murphy
Assignee (at issue)
JERVIS B. WEBB COMPANY
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.