Granted Patent
Utility
US 5,457,682 · App. 08/057,361
Apparatus and method for supporting a line group apparatus remote from a line unit
Inventors:
Kenneth W. Haag, Shen-Chung Liu, Jim PETERS
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: May 5, 1993
Inventors
Kenneth W. Haag
Shen-Chung Liu
Jim PETERS
Assignee (at issue)
AT & T IPM Corp.
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.