IP Library › Granted Patent US 6,685,771
Granted Patent Utility
US 6,685,771 · App. 10/074,567

Introducing an additive to portland cement

Inventors: David R. Long, Lorraine Segala
Patented Case View Patent ↗
Granted: Feb 3, 2004 Filed: Feb 11, 2002
Inventors
David R. Long
Lorraine Segala

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Quick Facts
Patent No.
US 6,685,771
App. No.
10/074,567
Filed
2002-02-11
Granted
2004-02-03
Kind
B2