IP Library Granted Patent US 6,604,492
Granted Patent Utility
US 6,604,492 · App. 10/087,701

Vaporizer

Inventors: George K. Porter, Seth B. Wolf, Charles W. Albrecht
Patented Case View Patent ↗
Granted: Aug 12, 2003 Filed: Feb 28, 2002
Inventors
George K. Porter
Seth B. Wolf
Charles W. Albrecht
Assignee (at issue)
Porter Instrument Company, 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 6,604,492
App. No.
10/087,701
Filed
2002-02-28
Granted
2003-08-12
Kind
B2