Granted Patent
Utility
US 5,970,262 · App. 09/040,227
Spring-free type focusing and defocusing mechanism for a digital camera
Inventors:
Kou-Lung Tseng, Wei-Hsin Hwang, Chao-Soon Chen, SHIH-MIN LO, Jang-Yan Hung, Chien-Chien Chung
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Mar 13, 1998
Inventors
Kou-Lung Tseng
Wei-Hsin Hwang
Chao-Soon Chen
SHIH-MIN LO
Jang-Yan Hung
Chien-Chien Chung
Assignee (at issue)
Umax Data Systems, 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.