Granted Patent
Utility
US 4,815,813 · App. 07/115,459
Water resistant communications cable
Inventors:
Candido J. Arroyo, Harold P Debban, Walter J. Paucke
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Oct 30, 1987
Inventors
Candido J. Arroyo
Harold P Debban
Walter J. Paucke
Assignees (at issue)
American Telephone and Telegraph, Co.
AT&T Bell Loboratories, AT&T Technologies Inc.
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.