Granted Patent
Utility
US 6,079,375 · App. 09/365,000
Coolant jacketed cylinder liner with stiffening ribs
Inventors:
Werner Duerr, Edward Cryer, Vijaya Kumar
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Aug 2, 1999
Inventors
Werner Duerr
Edward Cryer
Vijaya Kumar
Assignee (at issue)
General Motors LLC
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.