Granted Patent
Utility
US 6,670,877 · App. 09/769,779
Field adjusting mechanisms and methods for permanent magnet arrangement with backplate
Inventor:
Uri Rapoport
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Jan 25, 2001
Inventor
Uri Rapoport
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.