Granted Patent
Utility
US 4,785,270 · App. 07/139,419
Monolithic lattice saw filter
Inventor:
Robert G. Kinsman
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Dec 30, 1987
Inventor
Robert G. Kinsman
Assignee (at issue)
Motorola, Inc.
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.