Granted Patent
Utility
US 4,510,945 · App. 06/397,026
P Wave detection system
Inventor:
Francisco Jose Barreras, Sr.
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Jul 12, 1982
Inventor
Francisco Jose Barreras, Sr.
Assignee (at issue)
CORDIS 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.