Granted Patent
Utility
US 4,486,268 · App. 06/398,026
Air/water hybrid former
Inventors:
David A. Nuttall, Sung Ho Hong
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Jul 14, 1982
Inventors
David A. Nuttall
Sung Ho Hong
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.