Granted Patent
Utility
US 5,736,600 · App. 08/693,769
Mortar admixtures and method of preparing same
Inventors:
Milind Karkare, Chia-Chih Ou, Craig T. Walloch, Ara A. Jeknavorian
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Aug 7, 1996
Inventors
Milind Karkare
Chia-Chih Ou
Craig T. Walloch
Ara A. Jeknavorian
Assignee (at issue)
W.R. Grace & Co. Conn.
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.