IP Library Granted Patent US 5,935,640
Granted Patent Utility
US 5,935,640 · App. 08/982,980

Method for enhancing the solderability of a surface

Inventors: Donald Ferrier, Eric Yakobson
Patented Case View Patent ↗
Granted: Aug 10, 1999 Filed: Dec 2, 1997
Inventors
Donald Ferrier
Eric Yakobson
Assignee (at issue)
MacDermid, Incorporated

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 5,935,640
App. No.
08/982,980
Filed
1997-12-02
Granted
1999-08-10
Kind
A