Granted Patent
Utility
US 6,554,847 · App. 09/738,129
Zero compression microkeratome cutting head assembly
Inventor:
Laurence J. Cull
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Dec 15, 2000
Inventor
Laurence J. Cull
Assignee (at issue)
BAUSCH & LOMB INCORPORATED
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.