Granted Patent
Utility
US 6,653,273 · App. 09/994,391
Wetting agents for concrete cleaning and adhesives
Inventors:
Murray A. Ruggiero, Bruce A. Marien, Shoaib Arif, Robert Paul Roth, Joseph T. Farrell, Arthur R. Vanover
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Nov 26, 2001
Inventors
Murray A. Ruggiero
Bruce A. Marien
Shoaib Arif
Robert Paul Roth
Joseph T. Farrell
Arthur R. Vanover
Assignee (at issue)
Arch Chemicals, 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.