Granted Patent
Utility
US 4,184,301 · App. 05/932,332
Fastening device for wall panel joints
Inventors:
John W. Anderson, Raymond M. L. Ting
Patented Case
View Patent ↗
Granted: Jan 22, 1980
Filed: Aug 9, 1978
Inventors
John W. Anderson
Raymond M. L. Ting
Assignee (at issue)
H. H. Robertson Company
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.