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| Number | Title | Issue Date |
| 6073774 | Pressurized deinking module with vent line A mixture of air, paper stock made from recycled paper, foaming agents and surfactants are injected into a pressurized container. The container has a stock inlet at an end opposite a stock outlet, and three outlets arranged along the top of the container ... | 06/13/2000 |
| 5568901 | Two stage launch vehicle and launch trajectory method A method of launching a two stage vehicle and a trajectory for use with a two stage vehicle which allows recovery of both stages at the launch site. This is accomplished by launching the first stage completely vertically so that on burnout the first stage... | 10/29/1996 |
