Granted Patent
Utility
US 4,672,969 · App. 06/539,527
Laser healing method
Inventor:
Douglas K. Dew
Patented Case
View Patent ↗
Granted: Jun 16, 1987
Filed: Oct 6, 1983
Inventor
Douglas K. Dew
Assignee (at issue)
Sonomo 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.