Granted Patent
Utility
US 4,885,436 · App. 07/238,006
Electronic module interlock and extraction mechanism
Inventors:
Hoa Pham, Robert C. Max
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Aug 29, 1988
Inventors
Hoa Pham
Robert C. Max
Assignee (at issue)
Tandem Computers 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.