IP Library › Granted Patent US 6,659,757
Granted Patent Utility
US 6,659,757 · App. 10/401,480

Valve for injection molding

Inventors: Roland Kim, Theodore A. Burnham
Patented Case View Patent ↗
Granted: Dec 9, 2003 Filed: Mar 28, 2003
Inventors
Roland Kim
Theodore A. Burnham
Assignee (at issue)
Trexel, 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.

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 6,659,757
App. No.
10/401,480
Filed
2003-03-28
Granted
2003-12-09
Kind
B2