Granted Patent
Utility
US 5,625,556 · App. 08/430,495
Accurate time standard for vehicle operation
Inventors:
James M. Janky, John F. Schipper
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Apr 28, 1995
Inventors
James M. Janky
John F. Schipper
Assignee (at issue)
Trimble Navigation Limited
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.