Granted Patent
Utility
US 5,759,084 · App. 08/540,210
Grinding machine for ophthalmic glasses
Inventors:
Michel J. M. Lecerf, Raynald G. M. Longuet
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: May 18, 1995
Inventors
Michel J. M. Lecerf
Raynald G. M. Longuet
Assignee (at issue)
Buchmann Optical Engineering
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.