Granted Patent
Utility
US 4,241,439 · App. 06/109,735
Substrate board/carrier frame assembly
Inventor:
Jean P. Skwarek
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Jan 4, 1980
Inventor
Jean P. Skwarek
Assignee (at issue)
Timex Corporation
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.