Granted Patent
Utility
US 6,503,694 · App. 09/878,248
Developer solution and edge bead remover composition
Inventors:
Chun-Hsien Li, Pei-Hua Sheng, Bo-Hsuan Lin, Yuan-Pin Lee, Chih-Neng Chang
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jun 12, 2001
Inventors
Chun-Hsien Li
Pei-Hua Sheng
Bo-Hsuan Lin
Yuan-Pin Lee
Chih-Neng Chang
Assignees (at issue)
CHIMEI CORPORATION
Chi Mei Optoelectronics Corp.
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.