Granted Patent
Utility
US 5,374,867 · App. 08/095,967
Coreless motor
Inventor:
Isamu Takehara
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Jul 22, 1993
Inventor
Isamu Takehara
Assignee (at issue)
SEIKO INSTRUMENTS INC.
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.