Granted Patent
Utility
US 6,826,122 · App. 10/207,790
Timepiece with date display including a running equation of time device
Inventor:
Alain Zaugg
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jul 31, 2002
Inventor
Alain Zaugg
Assignee (at issue)
Frederic Piguet S.A.
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.