3601312  august 24, 1971  methods of increasing the likelihood of precipitation 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 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  may 22, 1973  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 tmperature inversion device 3677840  july 18, 1972  pyrotechnics comprising oxide of silver for weather modification use 3690552  september 12, 1972  fog dispersal 3722183  march 27, 1973  device for clearing impurities from the atmosphere 3748278  july 24, 1973  process and agents having an influence on the weather 3751913  august 14, 1973  barium release system 3769107  october 30, 1973  pyrotechnic composition for generating lead based smoke 3784099  january 8, 1974  air pollution control method 3785557  january 15, 1974  cloud seeding system 3788543  january 29, 1974  uniform size particle generator 3795626  march 5, 1974  weather modification process 3802971  april 9, 1974  pyrotechnic formulations for weather modification comprising a mixture of iodates 3808595  april 30, 1974  chaff dispensing system 3813875  june 4, 1974  rocket having barium release system to create ion clouds in the upper atmosphere
United States