Granted Patent
Utility
US 5,309,132 · App. 08/041,551
Technique for trimming photoresistors and trimmed photoresistors
Inventors:
Nathan Mitchell, Philip McKenzie
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Apr 2, 1993
Inventors
Nathan Mitchell
Philip McKenzie
Assignee (at issue)
Compaq Computer 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.