No such thing as Chemtrails? Yeah, right.

Chemtrails Patent List
United States Patent and Trademark Office

1338343 – April 27, 1920 – Process And Apparatus For The Production of Intense Artificial Clouds, Fogs, or Mists

1619183 – March 1, 1927 – Process of Producing Smoke Clouds From Moving Aircraft

1631753 – June 7, 1927 – Electric Heater – Referenced in 3990987

1665267 – April 10, 1928 – Process of Producing Artificial Fogs

1892132 – December 27, 1932 – Atomizing Attachment For Airplane Engine Exhausts

1928963 – October 3, 1933 – Electrical System And Method

1957075 – May 1, 1934 – Airplane Spray Equipment

2097581 – November 2, 1937 – Electric Stream Generator – Referenced in 3990987

2409201 – October 15, 1946 – Smoke Producing Mixture

2476171 – July 18, 1945 – Smoke Screen Generator

2480967 – September 6, 1949 – Aerial Discharge Device

2550324 – April 24, 1951 – Process For Controlling Weather

2510867 – October 9, 1951 – Method of Crystal Formation and Precipitation

2582678 – June 15, 1952 – Material Disseminating Apparatus For Airplanes

2591988 – April 8, 1952 – Production of TiO2 Pigments – Referenced in 3899144

2614083 – October 14, 1952 – Metal Chloride Screening Smoke Mixture

2633455 – March 31, 1953 – Smoke Generator

2688069 – August 31, 1954 – Steam Generator – Referenced in 3990987

2721495 – October 25, 1955 – Method And Apparatus For Detecting Minute Crystal Forming Particles Suspended in a Gaseous Atmosphere

2730402 – January 10, 1956 – Controllable Dispersal Device

2801322 – July 30, 1957 – Decomposition Chamber for Monopropellant Fuel – Referenced in 3990987

2881335 – April 7, 1959 – Generation of Electrical Fields

2908442 – October 13, 1959 – Method For Dispersing Natural Atmospheric Fogs And Clouds

2986360 – May 30, 1962 – Aerial Insecticide Dusting Device

2963975 – December 13, 1960 – Cloud Seeding Carbon Dioxide Bullet

3126155 – March 24, 1964 – Silver Iodide Cloud Seeding Generator – Referenced in 3990987

3127107 – March 31, 1964 – Generation of Ice-Nucleating Crystals

3131131 – April 28, 1964 – Electrostatic Mixing in Microbial Conversions

3174150 – March 16, 1965 – Self-Focusing Antenna System

3234357 – February 8, 1966 – Electrically Heated Smoke Producing Device

3274035 – September 20, 1966 – Metallic Composition For Production of Hydroscopic Smoke

3300721 – January 24, 1967 – Means For Communication Through a Layer of Ionized Gases

3313487 – April 11, 1967 – Cloud Seeding Apparatus

3338476 – August 29, 1967 – Heating Device For Use With Aerosol Containers – Referenced in 3990987

3410489 – November 12, 1968 – Automatically Adjustable Airfoil Spray System With Pump

3429507 – February 25, 1969 – Rainmaker

3432208 – November 7, 1967 – Fluidized Particle Dispenser

3441214 – April 29, 1969 – Method And Apparatus For Seeding Clouds

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

 

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