Granted Patent
Utility
US 5,640,746 · App. 08/515,413
Method of hermetically encapsulating a crystal oscillator using a thermoplastic shell
Inventors:
Thomas A. Knecht, Steven Lewis Wille
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Aug 15, 1995
Inventors
Thomas A. Knecht
Steven Lewis Wille
Assignee (at issue)
Motorola, 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.