Granted Patent
Utility
US 6,685,112 · App. 09/492,143
Fuel injector armature with a spherical valve seat
Inventors:
Michael J. Hornby, Michael P. Dallmeyer
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jan 27, 2000
Inventors
Michael J. Hornby
Michael P. Dallmeyer
Assignee (at issue)
Siemens Automotive 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.