Granted Patent
Utility
US 4,593,290 · App. 06/585,501
Collapsible antenna assembly
Inventor:
Edward A. Wojtowicz
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Mar 2, 1984
Inventor
Edward A. Wojtowicz
Assignee (at issue)
SYSTEM DEVELOPMENT 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.