Granted Patent
Utility
US 4,997,258 · App. 07/413,866
Method and apparatus for manufacturing an optical cable
Inventor:
Ulrich Oestreich
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Sep 28, 1989
Inventor
Ulrich Oestreich
Assignee (at issue)
Siemens 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.