Ronald R Preston
Architects in Eagle, CO

License number
Utah 131003-0301
Issued Date
Oct 14, 1987
Expiration Date
May 31, 2010
Category
Architect
Type
Architect
Address
Address
Eagle, CO

Professional information

Ronald Preston Photo 1

Rockngoldbasket

US Patent:
2011007, Mar 31, 2011
Filed:
Sep 30, 2009
Appl. No.:
12/586909
Inventors:
Ronald Richard Preston - Eagle CO, US
International Classification:
B07C 5/00
US Classification:
209606, 209509
Abstract:
A self contained and portable gold and gem separation kit. The apparatus is driven with a manual rocking motion to wash material with the self contained water. Using the natural wave motion, generated in the water from the rocking apparatus, the material is washed and classified. The bottom collection tray catches the classified material, and is removable for ease of collection of the concentrated material.