Granted Patent
Utility
US 4,854,065 · App. 07/254,953
Hammer block device
Inventors:
Kendrick L. French, Mark C. Laney
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Oct 7, 1988
Inventors
Kendrick L. French
Mark C. Laney
Assignee (at issue)
K. W. Thompson Tool Company, 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.