IP Library › Granted Patent US 5,853,993
Granted Patent Utility
US 5,853,993 · App. 08/735,381

Signal enhancement method and kit

Inventors: Douglas J. Dellinger, SueAnn C. Dahm, Mark A. Troll
Patented Case View Patent ↗
Granted: Dec 29, 1998 Filed: Oct 21, 1996
Inventors
Douglas J. Dellinger
SueAnn C. Dahm
Mark A. Troll
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 5,853,993
App. No.
08/735,381
Filed
1996-10-21
Granted
1998-12-29
Kind
A