3608820– September 20, 1971 – Treatment of Atmospheric Conditions by Intermittent Dispensing of Materials Therein 3613992 – October 19, 1971 – Weather Modification Method 3630950 – December 28, 1971 – Combustible Compositions For Generating Aerosols, Particularly Suitable For Cloud Modification And Weather Control And Aerosolization Process USRE29142 – This patent is a reissue of patent US3630950 – Combustible compositions for generating aerosols, particularly suitable for cloud modification and weather control and aerosolization process 3659785 – December 8, 1971 – Weather Modification Utilizing Microencapsulated Material 3666176 – March 3, 1972 – Solar Temperature Inversion Device 3677840 – July 18, 1972 – Pyrotechnics Comprising Oxide of Silver For Weather Modification Use 3722183 – March 27, 1973 – Device For Clearing Impurities From The Atmosphere 3769107 – October 30, 1973 – Pyrotechnic Composition For Generating Lead Based Smoke 3784099 – January 8, 1974 – Air Pollution Control
3445844 – May 20, 1969 – Trapped Electromagnetic Radiation Communications System 3456880 – July 22, 1969 – Method Of Producing Precipitation From The Atmosphere 3518670 June 30, 1970 – Artificial Ion Cloud 3534906 – October 20, 1970 – Control of Atmospheric Particles 3545677 – December 8, 1970 – Method of Cloud Seeding 3564253 – February 16, 1971 – System And Method For Irradiation Of Planet Surface Areas 3587966 – June 28, 1971 – Freezing Nucleation 3601312 – August 24, 1971 – Methods of Increasing The Likelihood oF Precipatation By The Artificial Introduction Of Sea Water Vapor Into The Atmosphere Winward Of An Air Lift Region 3608810 – September 28, 1971 – Methods of Treating Atmospheric Conditions