Granted Patent
Utility
US 6,640,404 · App. 09/939,795
Three piece coupling arrangement for a turret indexing mechanism for a machine tool assembly and an air bearing assembly for the same
Inventors:
Terrence M. Sheehan, Brian Christopher Sheehan, Gary L. Comstock
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Aug 28, 2001
Inventors
Terrence M. Sheehan
Brian Christopher Sheehan
Gary L. Comstock
Assignee (at issue)
Hardinge, 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.