Granted Patent
Utility
US 5,316,467 · App. 07/898,807
Internal core lifter apparatus with multiple axis compensation feature
Inventor:
Glenn Starkey
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Jun 15, 1992
Inventor
Glenn Starkey
Assignee (at issue)
D&L COMPANY, 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.