Granted Patent
Utility
US 4,344,818 · App. 06/259,962
Air/water hybrid former
Inventors:
David A. Nuttall, Sung Ho Hong
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: May 4, 1981
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.