Granted Patent
Utility
US 6,289,147 · App. 09/430,836
Passband flattening of a phasar
Inventors:
Hindrick Freerk Bulthuis, Martin R. Amersfoort
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Nov 1, 1999
Inventors
Hindrick Freerk Bulthuis
Martin R. Amersfoort
Assignee (at issue)
BBV Design BV
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.