Granted Patent
Utility
US 5,451,356 · App. 08/216,999
Method of forming perforations in a structure during molding thereof
Inventor:
Gregg A. Hebert
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Mar 24, 1994
Inventor
Gregg A. Hebert
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.