Granted Patent
Utility
US 4,925,523 · App. 07/380,787
Enhancement of ultraviolet laser ablation and etching organic solids
Inventors:
Bodil E. Braren, Rangaswamy Srinivasan
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Jul 17, 1989
Inventors
Bodil E. Braren
Rangaswamy Srinivasan
Assignee (at issue)
International Business Machines 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.