Granted Patent
Utility
US 5,016,131 · App. 07/343,907
Integral balanced-moment head positioner
Inventors:
Charles M. Riggle, Peter R. Svendsen, John David Read
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Apr 26, 1989
Inventors
Charles M. Riggle
Peter R. Svendsen
John David Read
Assignee (at issue)
Digital Equipment Corporation
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.