Granted Patent
Utility
US 5,648,010 · App. 08/491,831
Lubricant for air entanglement replacement
Inventors:
Charles G. DeWitt, Issac Fleming
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 19, 1995
Inventors
Charles G. DeWitt
Issac Fleming
Assignee (at issue)
Henkel Limited
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.