Granted Patent
Utility
US 5,441,129 · App. 08/195,933
Precision linear mechanical lock
Inventors:
Clyde R. Porter, Calvin R. Stringer
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Feb 14, 1994
Inventors
Clyde R. Porter
Calvin R. Stringer
Assignee (at issue)
P. L. Porter Co.
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.