Granted Patent
Utility
US 5,235,484 · App. 07/666,077
Low profile magnetic transducer assembly with negative pressure slider
Inventor:
Takao Maruyama
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Mar 7, 1991
Inventor
Takao Maruyama
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.