Granted Patent
Utility
US 4,538,847 · App. 06/629,375
Pivotable multiple socket
Inventor:
John F. Lapshansky
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Jul 10, 1984
Inventor
John F. Lapshansky
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.