Granted Patent
Utility
US 6,621,522 · App. 09/299,914
Adjustable fixing device of a CCD plate
Inventors:
Hung-Chia Chang, LUNG-HSIN CHEN, Po-Chih Chang
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Apr 28, 1999
Inventors
Hung-Chia Chang
LUNG-HSIN CHEN
Po-Chih Chang
Assignee (at issue)
Silitek 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.