Granted Patent
Utility
US 6,535,147 · App. 09/440,991
Segmented gain controller
Inventors:
Tim Masters, Joel C. Kent
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Nov 16, 1999
Inventors
Tim Masters
Joel C. Kent
Assignee (at issue)
Whitaker & Company
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.