Granted Patent
Utility
US 5,723,814 · App. 08/402,959
Supporting insulator having a two-part interlocking outer ring
Inventors:
Gustav Kolbl, Ales Vrana
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Mar 13, 1995
Inventors
Gustav Kolbl
Ales Vrana
Assignee (at issue)
Asea Brown Boveri, S.A.
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.