Granted Patent
Utility
US 6,068,696 · App. 09/121,613
Flexural bond strength/low air/workability additive for mortar cement
Inventors:
Arthur Anttila, Sung G. Chu, Thomas J. Podlas, Teng-Shau Young
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jul 20, 1998
Inventors
Arthur Anttila
Sung G. Chu
Thomas J. Podlas
Teng-Shau Young
Assignee (at issue)
HERCULES LLC
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.