Granted Patent
Utility
US 4,440,290 · App. 06/250,226
Receptacle forming apparatus having split receiver
Inventors:
Warren E. Johnson, Andrzej Maliszewski
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Apr 2, 1981
Inventors
Warren E. Johnson
Andrzej Maliszewski
Assignee (at issue)
Sherwood Tool Incorporated
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.