Granted Patent
Utility
US 4,393,352 · App. 06/188,429
Sample-and-hold hybrid active RC filter
Inventors:
Gerald Volpe, Leonard S. Laskoski, Ralph J. Amodeo, William J. Swanson, Jerome D. Gottesman
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Sep 18, 1980
Inventors
Gerald Volpe
Leonard S. Laskoski
Ralph J. Amodeo
William J. Swanson
Jerome D. Gottesman
Assignee (at issue)
PerkinElmer, 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.