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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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