Granted Patent
Utility
US 6,516,209 · App. 09/778,618
Self-calibrating optical imaging system
Inventors:
Xuefeng Cheng, Xiaorong Xu, Shuoming Zhou, Lai Wang, Ming-Yih Wang, Feng Li, Guobao Hu
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Feb 6, 2001
Inventors
Xuefeng Cheng
Xiaorong Xu
Shuoming Zhou
Lai Wang
Ming-Yih Wang
Feng Li
Guobao Hu
Assignee (at issue)
Photonify Technologies, 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.