Granted Patent
Utility
US 4,675,144 · App. 06/864,249
Scarfing method
Inventor:
Philip Hammond
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: May 19, 1986
Inventor
Philip Hammond
Assignee (at issue)
Kimberly-Clark Inc.
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.