Granted Patent
Utility
US 5,874,991 · App. 08/537,738
Apparatus for the creation of video test signals
Inventors:
Victor Steinberg, Jonathan Fall, Chi Long Tsang
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Jan 11, 1996
Inventors
Victor Steinberg
Jonathan Fall
Chi Long Tsang
Assignee (at issue)
Snell & Wilcox Limited
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.