Granted Patent
Utility
US 5,881,027 · App. 08/029,455
Timepiece movement
Inventor:
Konrad Schafroth
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 24, 1998
Inventor
Konrad Schafroth
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.