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Inventor: Merideth; John D.
Address: Pevely, MO
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4579375 |
Sheet metal duct system having integral transverse flanges |
April 1, 1986 |
| Integral transverse flanges on duct sections made up, for example, of two L-shaped work pieces, are readily assembled into permanent rigid section-joining frames. At the frame corners, the interfitted flanged ends of corner pieces are trapped, adjacent to the integral flange webs, behind |
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