Granted Patent
Utility
US 4,663,867 · App. 06/787,972
Locking device for whisler type adapter
Inventors:
Frederick C. Hahn, Larren F. Jones
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 2, 1985
Inventors
Frederick C. Hahn
Larren F. Jones
Assignee (at issue)
ESCO GROUP LLC
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.