Granted Patent
Utility
US 4,704,429 · App. 06/642,178
Floor polishes particularly receptive to high speed and very high speed spray or dry buffing
Inventors:
Walter J. Hackett, Peter E. Galena
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Aug 20, 1984
Inventors
Walter J. Hackett
Peter E. Galena
Assignee (at issue)
Turco Purex Industrial Corp.
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.