Granted Patent
Utility
US 4,893,786 · App. 07/279,299
Cable conduit apparatus
Inventor:
Ernst Huber
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Nov 30, 1988
Inventor
Ernst Huber
Assignee (at issue)
Gretag Aktiengesellschaft
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.