IP Library › Granted Patent US 6,554,615
Granted Patent Utility
US 6,554,615 · App. 09/887,668

Porcelain compositions for low expansion all-porcelain cores and alloys

Inventors: Dmitri Brodkin, Carlino Panzera, Paul Panzera
Patented Case View Patent ↗
Granted: Apr 29, 2003 Filed: Jun 30, 2000
Inventors
Dmitri Brodkin
Carlino Panzera
Paul Panzera
Assignee (at issue)
Pentron Laboratory Technologies, LLC

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 6,554,615
App. No.
09/887,668
Filed
2000-06-30
Granted
2003-04-29
Kind
B1