Granted Patent
Utility
US 6,489,692 · App. 09/459,426
Method and apparatus for controlling rotation of magnetic rotor
Inventors:
Mark Gilbreth, Joel Wacknov
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Dec 13, 1999
Inventors
Mark Gilbreth
Joel Wacknov
Assignee (at issue)
Capstone Turbine 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.