Granted Patent
Utility
US 4,988,952 · App. 07/362,144
High Q switched capacitor filter having internal thin-film resistors
Inventors:
Nello G. Sevastopoulos, Robert C. Dobkin
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Jun 6, 1989
Inventors
Nello G. Sevastopoulos
Robert C. Dobkin
Assignee (at issue)
Linear Technology Holding LLC
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.