Granted Patent
Utility
US 6,533,396 · App. 09/682,300
Printhead cartridge with asymmetrical contacts
Inventors:
Chih-Ching Chen, Tsung-Wei Huang
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Aug 16, 2001
Inventors
Chih-Ching Chen
Tsung-Wei Huang
Assignee (at issue)
BenQ 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.