Granted Patent
Utility
US 5,140,984 · App. 07/639,025
Laser healing method and apparatus
Inventors:
Douglas K. Dew, Long S. Hsu, Steven J. Halpern
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Jan 9, 1991
Inventors
Douglas K. Dew
Long S. Hsu
Steven J. Halpern
Assignee (at issue)
Proclosure 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.