News Release

2005-07-24
Clark Manufacturing Launches New Web Site

2003-10-13
Clark Manufacturing Develops Direct Oxidation Technology for Producing Bismuth Oxide

U.S. Patent No. US 7,118,726 B2
Method for making oxide compounds:
Euro. Pat. App. 03790365.5

Clark Manufacturing LLC.
P.O. Box 835
Newman Lake, Washington 99025
phone: (509) 226-0270 | fax: (509) 226-1163

The Bismuth Oxide Experts
search