Granted Patent
Utility
US 5,350,963 · App. 08/061,355
Holder for quartz resonator disks and process for the production of such holders
Inventors:
Dieter Heimerl, Johann Piegendorfer
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: May 14, 1993
Inventors
Dieter Heimerl
Johann Piegendorfer
Assignee (at issue)
Schott Glaswerke
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.