Granted Patent
Utility
US 5,777,738 · App. 08/818,913
Interferometric measurement of absolute dimensions of cylindrical surfaces at grazing incidence
Inventor:
Andrew W. Kulawiec
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Mar 17, 1997
Inventor
Andrew W. Kulawiec
Assignee (at issue)
Tropel Corporation
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.