Granted Patent
Utility
US 5,912,731 · App. 08/984,751
Hartmann-type optical wavefront sensor
Inventors:
Raymond K. DeLong, Richard A. Hutchin
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Dec 4, 1997
Inventors
Raymond K. DeLong
Richard A. Hutchin
Assignee (at issue)
TRW Limited
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.