Granted Patent
Utility
US 6,104,581 · App. 09/167,127
Dual coil rotary actuator
Inventors:
Fu-Ying Huang, Wayne Isami Imaino, Jiann-Chang Lo, Roger William Wood
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Oct 5, 1998
Inventors
Fu-Ying Huang
Wayne Isami Imaino
Jiann-Chang Lo
Roger William Wood
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.