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| Number | Title | Issue Date |
| 5609913 | Process for manufacturing dog chew toys of tire sidewalls A die is utilized to cut chew toy bases from tire sidewalls extracted from used tires. The chew toy bases are placed into a cleaning tumbler containing sand and gravel for the purpose of cleaning and polishing the chew toy bases. They are subsequently rem... | 03/11/1997 |
| 4803048 | Laboratory kit A laboratory kit is provided with a tear-off cover portion designed to fold into a compact package for containing and/or transporting a biological specimen or the like. The laboratory kit comprises a lower tray of vacuum-formed plastic or the like and con... | 02/07/1989 |
