Jakosky, page 2 President of Electroblacks, Ince Process for producing carbon-black. PATENTS : Over 100 United States and foreign patents have been granted on inventions of Dr. Jakosky covering methods and ap- peratus for geophysical work, oil shele processing, hydrogenation and cracking of oils, carbon black manu- facture, fluid level and productivity measurements in oil wells, electrical and thermal logging of oil wells. PROFESSIONAL ORGANIZATIONS: American Institute of Mining and Metellurgical Engineers. Society of Exploration Geophysicists. American Geophysical Union. Nomads Registered Civil Engineer, California.