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Your search returned 165 patents.
( 220/4.12 in Current US Classification ) |
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| 1 2 |
| Patent ID | Title | Date Filed |
| 5289942 | Reinforced storage tanks
| December 11, 1992 |
| 5287717 | Method for forming a tank bottom
| April 3, 1992 |
| 5285914 | Above-grade storage vault
| November 24, 1992 |
| 5277328 | Multiply compartmented cooler
| May 24, 1993 |
| 5267662 | Container
| February 12, 1992 |
| 5252302 | Liquid fertilizer apparatus
| July 20, 1992 |
| 5217140 | Tank construction and method of manufacture
| July 13, 1992 |
| 5197627 | Double walled storage tank
| March 8, 1991 |
| 5167142 | Double walled storage tanks with dual side wall support ribs
| April 26, 1989 |
| 5165569 | Keg for draft beer
| July 23, 1991 |
| 5163572 | Tank container
| September 13, 1991 |
| 5129534 | Composite keg
| July 29, 1991 |
| 1 2 |
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