Granted Patent
Utility
US 4,032,984 · App. 05/572,304
Transducer positioning system for providing both coarse and fine positioning
Inventors:
Jon Bruce Kaser, John Lawrence Von Feldt, Ivan Earl Walenta
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Apr 28, 1975
Inventors
Jon Bruce Kaser
John Lawrence Von Feldt
Ivan Earl Walenta
Assignee (at issue)
Burroughs, 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.