Granted Patent
Utility
US 6,543,748 · App. 09/970,524
Linear motion leadthrough
Inventor:
Bernhard Duelli
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Oct 3, 2001
Inventor
Bernhard Duelli
Assignee (at issue)
VAT Holding AG
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.