Granted Patent
Utility
US 4,769,201 · App. 06/843,779
Method of cutting grooves in concrete with a soft concrete saw
Inventors:
Edward Chiuminatta, Alan R. Chiuminatta
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Mar 25, 1986
Inventors
Edward Chiuminatta
Alan R. Chiuminatta
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.