IP Library Granted Patent US 6,148,680
Granted Patent Utility
US 6,148,680 · App. 09/310,734

Sample injector for a high-pressure liquid chromatograph

Inventors: Martin Baeuerle, Peter Stemer
Patented Case View Patent ↗
Granted: Nov 21, 2000 Filed: May 12, 1999
Inventors
Martin Baeuerle
Peter Stemer
Assignee (at issue)
Hewlett-Packard Company, L.P.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,148,680
App. No.
09/310,734
Filed
1999-05-12
Granted
2000-11-21
Kind
A