Granted Patent
Utility
US 4,941,340 · App. 07/436,137
Method of fabricating wall fasteners
Inventors:
Thomas Nowak, Edward J. Smith, Eustathios Vassiliou
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Jan 4, 1990
Inventors
Thomas Nowak
Edward J. Smith
Eustathios Vassiliou
Assignee (at issue)
E. Vassiliou
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.