1
Melvin D Clark: Apparatus for assist in recycling of refuse. Ogram & Teplitz, November 2, 1993: US05257577 (84 worldwide citation)

An apparatus which collects recyclable refuse in sorted compartments. Through either automatic sensors or through an operator panel, the apparatus determines the contents of the refuse and directs it to the proper compartment or container. In this manner, recyclable material such as aluminum cans, g ...


2
Melvin D Clark: Selectively positioned muffler. The Aro Corporation, Allegretti Newitt Witcoff & McAndrews, January 23, 1979: US04135602 (20 worldwide citation)

A muffler is integrally incorporated with a pneumatic tool by cooperating with the tool housing intermediate the air exhaust chamber for the air motor and atmosphere. An inwardly dished muffler shell includes an exhaust inlet for receipt of exhaust air from the air motor. The shell is selectively po ...


3
Melvin D Clark: Secondary speed sensor for governed air grinders. The Aro Corporation, Allegretti Newitt Witcoff & McAndrews, January 22, 1980: US04184819 (4 worldwide citation)

A speed sensor is attached to the output shaft of the rotary vane air motor. The speed sensor includes a body member which is pivotally mounted at one end on the output shaft for movement about an axis parallel to the shaft axis. The opposite end of the body member is biased into engagement with a l ...