Granted Patent
Utility
US 5,575,962 · App. 08/348,423
Method for fabricating optical quality molds with precision microfeatures
Inventor:
Ken Takahashi
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Dec 2, 1994
Inventor
Ken Takahashi
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.