Granted Patent
Utility
US 6,099,213 · App. 09/185,699
Automatic boring device
Inventors:
James A. Kammeraad, Randall D. Hilbrand, R. Clayton McKeon
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Nov 4, 1998
Inventors
James A. Kammeraad
Randall D. Hilbrand
R. Clayton McKeon
Assignee (at issue)
K-LINE INDUSTRIES, 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.