1
John H Parkins: Interlocking dust control mats. Milliken Research Corporation, H William Petry, Earle R Marden, September 13, 1988: US04769895 (35 worldwide citation)

A plurality of rubber-backed dust control mats are interconnected by a connecting strip which has projections thereon which engage mating projections on the outer surface of the rubber backing on the mats.


2
John H Parkins: Interlocking dust control mats. Milliken Research Corporation, Earle R Marden, H William Petry, May 3, 1988: US04741065 (23 worldwide citation)

A plurality of rubber-backed dust control mats are interconnected by a connecting strip which has projections thereon which engage mating projections on the outer surface of the rubber backing on the mats.


3
Dewey T Thompson, John H Parkins, James B Nichols: Process for dyeing highly moisture absorbent cellulose containing textile materials. Milliken Research Corporation, Glen M Burdick, H William Petry, January 16, 1979: US04134724 (2 worldwide citation)

An improved process of dyeing highly moisture absorbent cellulose containing textile materials having a ratio of filling to warp of between 77 to 23 and 50 to 50 in which such textile materials are woven from yarn having a range of twist multiplier of from about 2.25 to about 5.00 is provided in whi ...