Granted Patent
Utility
US 6,727,979 · App. 10/339,301
Projection aligner
Inventors:
Yoshinori Kobayashi, Shigetomo Ishibashi, Masato Hara
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Jan 10, 2003
Inventors
Yoshinori Kobayashi
Shigetomo Ishibashi
Masato Hara
Assignee (at issue)
Pentax 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.