Granted Patent
Utility
US 6,464,422 · App. 09/846,678
Seismic adapter apparatus and method
Inventor:
Kraig A. Kirschner
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Apr 30, 2001
Inventor
Kraig A. Kirschner
Assignee (at issue)
Automatic Fire Control, 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.