Granted Patent
Utility
US 6,417,644 · App. 09/844,795
Apparatus and method to generate braking torque in an AC drive
Inventors:
Peter Willard Hammond, Mukul Rastogi
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Apr 27, 2001
Inventors
Peter Willard Hammond
Mukul Rastogi
Assignee (at issue)
Robicon Corporation
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.