Granted Patent
Utility
US 5,114,651 · App. 07/666,982
Method of forming an orifice in a structure during molding thereof
Inventor:
Richard T. Warburton
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Mar 11, 1991
Inventor
Richard T. Warburton
Assignee (at issue)
Mobil Oil 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.