Granted Patent
Utility
US 5,719,372 · App. 08/558,780
Laser marking system and method using controlled pulse width of Q-switch
Inventors:
Satoshi Togari, Yoshimitsu Baba
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Nov 16, 1995
Inventors
Satoshi Togari
Yoshimitsu Baba
Assignee (at issue)
NEC 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.