Hamilton Associates, Inc.

Michael Joseph Serach

Eric Allen Hanson

Gary Warren McCurdy

David Fisher

Ron Riemer

Christopher Roi Wilson

An apparatus for use in testing protective masks for leaks. The apparatus includes a test head assembly for supporting at least a portion of a protective mask to be tested for leaks. The test head assembly may be freestanding, mounted directly on a mask tester or integral with the mask tester. The test head assembly includes a body and a cover. The body includes a head section simulating at least a portion of a human head. The cover is mounted on the body to cover at least a portion of the head section. The test head assembly is preferably configured such that a portion of the cover can be inflated while the remaining portion of the cover remains in a relaxed state and in contact with the corresponding portion of the body.

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Glen Rock, PA, United States of America

Michael Joseph Serach