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| Number | Title | Issue Date |
| 4881746 | Handle cover and toy holder This invention is for a handle cover and toy holder for a shopping cart. The handle cover and toy holder is comprised of strip of washable fabric of a width sufficient to encompass a shopping cart handle and length sufficient to substantially cover the ha... | 11/21/1989 |
| 4797661 | Motion sensing device This invention relates to a device adapted to sensing motion when powered by passage of an electric current between two electrodes that is comprised of a container partially filled with an electrically conductive liquid along with two electrodes in contac... | 01/10/1989 |
| 4710304 | Method for improving the utilization of polyelectrolytes in dewatering aqueous suspensions This invention relates to a method for improving the utilization of water-soluble, high molecular weight (molecular weight above about 1,000,000) polyelectrolytes in the dewatering of aqueous suspensions. By aging a mixture of the polyelectrolyte and wate... | 12/01/1987 |
