Granted Patent
Utility
US 6,234,911 · App. 08/928,158
Driveshaft assembly having a noise reduction structure
Inventors:
Douglas E. Breese, Kellie L. Stevens, Christopher C. Cheney
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Sep 12, 1997
Inventors
Douglas E. Breese
Kellie L. Stevens
Christopher C. Cheney
Assignee (at issue)
Spicer Driveshaft, 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.