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D & K Detector Sales, Inc. Patents |
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Assignee: D & K Detector Sales, Inc.
Address: Portland, OR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4472269 |
Sluice box classifier for gold mining dredge |
September 18, 1984 |
| A sluice box classifier for a sluice box of a gold mining dredge includes a trough and a rim secured to an underside of the trough. The rim anchors the trough to a standard size container. The trough is formed of four walls and a bottom, and is at least as wide as a lower end portion of |
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