RECENT NEWS

25 Dec 2009
Patent Awarded for Novel Tree-Ring Pen
Tree Ring Pens Co. manufactures the Tree Ring Pen and other tree ring chronology products. U.S. Patent ...

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Contact Information

For phone/email orders, to become a retailer, or for other inquiries contact:

Tree Ring Pens - Ecology, History and Forest Restoration
Missoula, Montana
Ph (406) 493 - 1490
TreeRingPens@gmail.com
www.TreeRingPens.com
Patent US - 7467904

 
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