1
Elden L Hawkinson: Laminated shield for missile structures and substructures. Rockwell International Corporation, H Fredrick Hamann, Harry B Field, January 31, 1984: US04428998 (46 worldwide citation)

A protective laminate has high impact and heat resistance suitable for use as an exterior shield for missile structures and substructures. The laminate includes one or more outer plies of a resin-impregnated woven fabric made from high tensile strength fibers in which a majority of the fibers in eac ...


2
Elden L Hawkinson: Production method for a channeled wall thrust nozzle. Rockwell International Corporation, H Fredrick Hamann, Harry B Field, Steven E Kahm, July 24, 1990: US04942653 (20 worldwide citation)

An improved method of manufacture is provided for producing a channeled wall thrust nozzle (10) of the type used to define a thrust chamber (12) in a jet or rocket engine. The method utilizes a precision formed mandrel (20) having an external geometry conforming generally to the converging-diverging ...


3
Elden L Hawkinson: Cage for ball bearing assembly. Rockwell International Corporation, H Fredrick Hamann, Harry B Field, Clark E DeLarvin, August 16, 1988: US04764037 (2 worldwide citation)

A ball bearing assembly for operation immersed in liquid oxygen at pressures in excess of 1000 psi and at rotational speeds in excess of 10,000 revolutions per minute. A bearing assembly comprising an inner and outer race, a plurality of spherical ball bearings dispersed therebetween and a cage memb ...