Granted Patent
Utility
US 6,210,070 · App. 09/291,528
Concrete dowel slip tube with clip
Inventors:
Ron D. Shaw, Lee A. Shaw
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Apr 14, 1999
Inventors
Ron D. Shaw
Lee A. Shaw
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.