Granted Patent
Utility
US 6,749,302 · App. 09/992,497
Afocal position detection system and ophthalmic instrument employing said system
Inventors:
Christopher Percival, Douglas H. Hoover
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Nov 6, 2001
Inventors
Christopher Percival
Douglas H. Hoover
Assignee (at issue)
REICHERT, INC.
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.