Granted Patent
Utility
US 6,089,647 · App. 09/397,171
School bus door operator
Inventors:
Darrell D. Glanton, Jack G. Barker, Mark A. Anderson, Donnie J. Fowler, Jerry W. Huie, James R. Thomas, Mark A. Seymore
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Sep 16, 1999
Inventors
Darrell D. Glanton
Jack G. Barker
Mark A. Anderson
Donnie J. Fowler
Jerry W. Huie
James R. Thomas
Mark A. Seymore
Assignee (at issue)
Navistar International Transportation
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.