Granted Patent
Utility
US 6,581,905 · App. 09/989,870
Brake bleed tool
Inventors:
David Charles Rafko, Timothy Scott Johnson
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Nov 21, 2001
Inventors
David Charles Rafko
Timothy Scott Johnson
Assignee (at issue)
Tenneco Automotive 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.