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| Number | Title | Issue Date |
| 4388483 | Thin film heterojunction photovoltaic cells and methods of making the same A method of fabricating a thin film heterojunction photovoltaic cell which comprises depositing a film of a near intrinsic or n-type semiconductor compound formed of at least one of the metal elements of Class II B of the Periodic Table of Elements and at... | 06/14/1983 |
| 4359789 | Sewerless disposal system A waste disposal system is disclosed which includes apparatus for treating water which has been used for cleaning, washing and for flushing toilets and for disposing of waste products by incineration. The total output of the system to the environment is t... | 11/23/1982 |
