Granted Patent
Utility
US 6,719,431 · App. 10/248,551
Adjusting apparatus for projector
Inventors:
I-Hsien Liu, Fu-Shun Kao
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jan 26, 2003
Inventors
I-Hsien Liu
Fu-Shun Kao
Assignee (at issue)
Coretronic 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.