Granted Patent
Utility
US 4,812,934 · App. 07/063,510
Actuator for memory storage device
Inventors:
Masami Suzuki, Hiroshi Nishida, Tomio Suzuki, Katsumi Kawamura, Tsuyoshi Takahashi
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Jun 18, 1987
Inventors
Masami Suzuki
Hiroshi Nishida
Tomio Suzuki
Katsumi Kawamura
Tsuyoshi Takahashi
Assignee (at issue)
HITACHI, LTD.
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.