Granted Patent
Utility
US 5,648,889 · App. 08/379,666
Attachment device for semiconductor circuit elements
Inventor:
Hans Ludwig Bosli
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Sep 15, 1995
Inventor
Hans Ludwig Bosli
Assignee (at issue)
MELCHER
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.