Granted Patent
Utility
US 4,847,553 · App. 07/090,576
Needle card contacting mechanism for testing micro-electronic components
Inventor:
Siegfried Seinecke
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Aug 28, 1987
Inventor
Siegfried Seinecke
Assignee (at issue)
Siemens Aktiengesellschaft
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.