Granted Patent
Utility
US 5,362,222 · App. 08/113,627
Injection molding machine having a vector controlled AC drive system
Inventors:
Harold J. Faig, Ronald M. Sparer
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Aug 31, 1993
Inventors
Harold J. Faig
Ronald M. Sparer
Assignee (at issue)
Cincinnatti Milacron 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.