Granted Patent
Utility
US 4,590,539 · App. 06/734,371
Polyaramid laminate
Inventors:
Zal N. Sanjana, Joseph R. Marchetti
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: May 15, 1985
Inventors
Zal N. Sanjana
Joseph R. Marchetti
Assignee (at issue)
Westinghouse Electric Company LLC
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.