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| Number | Title | Issue Date |
| 4020979 | Squeeze-bottle-type spray dispenser Closure for squeeze bottle is provided with swirl chamber into which liquid and air from inside the bottle are introduced. Either the liquid or the air, or both, are introduced to chamber tangentially, and air and liquid are worked therein under condition... | 05/03/1977 |
| 3997086 | Pump for spray dispenser and the like Pump for spray dispenser has spring-pressed annular piston serving as an accumulator and controlling flow through the pump discharge so that no discharge passes unless and until pressure within the pump housing is sufficiently high.... | 12/14/1976 |
