Granted Patent
Utility
US 6,415,489 · App. 09/605,601
Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings
Inventors:
Armando S. Martins, Peter N. Osgood
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Jun 28, 2000
Inventors
Armando S. Martins
Peter N. Osgood
Assignee (at issue)
Morgan Construction 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.