Granted Patent
Utility
US 5,973,860 · App. 09/047,553
Rotatable cylindrical elements for optical alignment
Inventors:
Ernest Eisenhardt Bergmann, Sun-Yuan Huang
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Mar 25, 1998
Inventors
Ernest Eisenhardt Bergmann
Sun-Yuan Huang
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.