Granted Patent
Utility
US 4,649,447 · App. 06/765,999
Combed MR sensor
Inventors:
Shiezen Steven Huang, Otto Voegeli
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Aug 15, 1985
Inventors
Shiezen Steven Huang
Otto Voegeli
Assignee (at issue)
International Business Machines 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.