Granted Patent
Utility
US 6,043,695 · App. 09/086,225
Phase locked loop using a schmitt trigger block
Inventor:
Eugene O'Sullivan
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: May 28, 1998
Inventor
Eugene O'Sullivan
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.