Granted Patent
Utility
US 5,405,518 · App. 08/233,442
Workpiece holder apparatus
Inventors:
Ming-Hsun Hsieh, Chung-Shu Chang
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Apr 26, 1994
Inventors
Ming-Hsun Hsieh
Chung-Shu Chang
Assignee (at issue)
Industrial Technology Research Institute
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.