Granted Patent
Utility
US 5,884,979 · App. 08/840,874
Cutting bit holder and support surface
Inventor:
Winchester E. Latham
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Apr 17, 1997
Inventor
Winchester E. Latham
Assignee (at issue)
Keystone Engineering & Manufacturing Corporation
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.