Granted Patent
Utility
US 6,133,665 · App. 09/134,101
Brush system for electric motors
Inventors:
Edward T. Prell, Ali I. Uzumcu, Edward G. Ennis
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Aug 14, 1998
Inventors
Edward T. Prell
Ali I. Uzumcu
Edward G. Ennis
Assignee (at issue)
S-B Power Tool 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.