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| Number | Title | Issue Date |
| 6370708 | Toilet tank anti-refill device A combination of a toilet and an anti refill device, the toilet comprises a bowl, a tank connected to the bowl for storing water and to supply the stored water to the bowl, a flushing structure which releases water from the tank into the bowl, a supply va... | 04/16/2002 |
| 6182468 | Thermodynamic separation of heavier components from natural gas A process for separation of particularly propane, methane or ethane from natural gas includes providing a distillation tower arrangement for separating the heavier components discharged at the bottom from lighter gas discharged at the top with at least tw... | 02/06/2001 |
| 6142085 | Hydraulic compression system for seeder A compression system for a dual material delivery assembly is described. The assembly includes a furrowing element for producing a furrow in the ground as it is towed across the ground. A fertilizer tube and a seed tube are provided for depositing fertili... | 11/07/2000 |
| 6132658 | Method of pultruding a part from fiber reinforced resin with a wood grain finish A wood grain finish to a pultruded part is obtained by applying to a surface of the part before entering the die a strip carrying male projections shaped in differential depths and spacing across the width of the part to form a simulated wood grain patter... | 10/17/2000 |
