Granted Patent
Utility
US 5,532,821 · App. 08/404,923
Testing of recessed surfaces at grazing incidence
Inventors:
Mark Joseph Tronolone, Paul G. Dewa, James Edward Platten, John H. Bruning
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Mar 16, 1995
Inventors
Mark Joseph Tronolone
Paul G. Dewa
James Edward Platten
John H. Bruning
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.