Granted Patent
Utility
US 5,233,235 · App. 07/921,425
On-chip intermediate driver for discrete WSI systems
Inventor:
Ulrich Ramacher
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Jul 28, 1992
Inventor
Ulrich Ramacher
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.