Granted Patent
Utility
US 5,921,728 · App. 09/178,135
Reamer with radial relief and cutting land
Inventors:
David A. Kammeraad, James E. Koats
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Oct 23, 1998
Inventors
David A. Kammeraad
James E. Koats
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.