Freilich; Arthur, Rosen; Leon, Hornbaker; Robert - US Patent Attorneys and Agents

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Number of patents: 1
Last date: November 09, 1999

Number	Title	Issue Date
5979451	Earmuff sound protector An earplug of the slow recovery type is described, which has open cells for expelling gas to the outside during compression, but which resists the entry of water through the outside and the soiling of the outside by dirt. The earplug includes a body forme...	11/09/1999