Granted Patent
Utility
US 5,771,748 · App. 08/592,227
Highly stable Z axis drive
Inventors:
Genco Genov, Gou-Kin Cui
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jan 26, 1996
Inventors
Genco Genov
Gou-Kin Cui
Assignee (at issue)
GENMARK AUTOMATION, 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.