Granted Patent
Utility
US 5,713,318 · App. 08/740,582
Universal attachment extension tube with rotational locking device
Inventors:
Edward F. Tausk, Andrew J. DeJacimo
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Oct 31, 1996
Inventors
Edward F. Tausk
Andrew J. DeJacimo
Assignee (at issue)
Navistar International Transportation
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.