Granted Patent
Utility
US 6,507,999 · App. 09/914,630
Method of manufacturing internal combustion engine pistons
Inventors:
Oscar Akramovich Kaibyshev, Vadim Gennadievich Trifonov
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Aug 30, 2001
Inventors
Oscar Akramovich Kaibyshev
Vadim Gennadievich Trifonov
Assignee (at issue)
General Electric Company
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.