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Inventor: Mattson; Jack
Address: R.R. #1 Hazelton, B.C, CA
No. of patents: 1
Patents:
Patent Number |
Title Of Patent |
Date Issued |
5839852 |
Road spillway |
November 24, 1998 |
The invention provides a road spillway comprising a porous removable deck over a ditch across a road. The road has a surface for driving on. Solid supports are provided on opposite sides of the ditch and below the surface of the road. Span members span the ditch generally below the surfa |
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