Granted Patent
Utility
US 6,647,860 · App. 09/764,603
Thin-walled brake diaphragm
Inventors:
Robert M. Savel, Tracy Burcham, Niranjan Haralalka
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jan 18, 2001
Inventors
Robert M. Savel
Tracy Burcham
Niranjan Haralalka
Assignee (at issue)
Longwood Industries, 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.