Granted Patent
Utility
US 6,252,893 · App. 09/207,124
Optical transmitting device
Inventor:
Herwig Stange
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Dec 7, 1998
Inventor
Herwig Stange
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.