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1898-03-08 |
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Hose-reel |
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1931-01-15 |
1933-08-01 |
Stich Eugen |
Aerating device
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1947-10-13 |
1950-08-01 |
Sun Oil Co |
Catalytic reaction apparatus
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1954-10-05 |
1958-07-29 |
Jr Howell W Winderweedle |
Shoe hanger
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1958-09-17 |
1960-07-26 |
Permanent Filter Corp |
Filtration units
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1959-01-28 |
1962-03-27 |
Permanent Filter Corp |
Filtration equipment
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1960-10-21 |
1965-11-23 |
Hawley Products Co |
Paper making apparatus and aerating device with electrical cleaning means
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1960-11-16 |
1965-09-14 |
Fmc Corp |
Diffuser tube
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1964-11-16 |
1969-04-29 |
Raymond J Good |
Air diffuser unit for aerating sewage
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1966-03-09 |
1966-10-04 |
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Sewage treatment
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1968-12-11 |
1971-03-16 |
Universal Oil Prod Co |
Electrode configuration in an electrical precipitator
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1970-07-20 |
1973-01-02 |
Union Carbide Corp |
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1970-11-06 |
1972-06-13 |
Wilwood Inc |
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1971-11-17 |
1974-06-04 |
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1973-04-26 |
1974-07-16 |
Mobil Oil Corp |
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1974-06-07 |
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1974-11-13 |
1979-12-11 |
Union Carbide Corporation |
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1975-10-16 |
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1975-10-23 |
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1976-01-16 |
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1976-09-20 |
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1976-12-30 |
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1977-06-06 |
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1977-06-20 |
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Xodar Corporation |
Aerator containing a ballast charge
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1977-09-26 |
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1979-11-15 |
1989-06-13 |
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1979-12-31 |
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Fluid control means for geothermal wells
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1980-05-30 |
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1981-07-09 |
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1987-09-25 |
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1988-02-19 |
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1988-05-04 |
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Method and apparatus for removing iron from well water
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1988-05-13 |
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Method and apparatus for decontaminating the aquifer of hydrocarbons
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1988-05-17 |
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New Jersey Institute Of Technology |
System for removing contaminants from ground water
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1988-06-23 |
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1990-11-02 |
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Vorrichtung zum Begasen von Flüssigkeiten
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