| |
|
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 |
|
|
|
