Plant husbandry – Greenhouse – apparatus or method
Patent
1978-08-21
1980-12-02
Burr, Edgar S.
Plant husbandry
Greenhouse, apparatus or method
47 69, 47 73, 47 84, A01G 900
Patent
active
042363500
ABSTRACT:
A seedling tray assembly and greenhouse which includes a base, a sheet of embossed material in said base and spaced from the bottom thereof, a seedling grid resting on said embossed material and a deeply dished cover overlying said base and seedling grid.
REFERENCES:
patent: 1865960 (1932-07-01), Regelson
patent: 2039442 (1936-05-01), Mulford
patent: 3009291 (1961-11-01), Blackmore
patent: 3095670 (1963-07-01), Raab
patent: 3106801 (1963-10-01), Risacher
patent: 3576088 (1971-04-01), Arca
patent: 3664062 (1972-05-01), Danielson
patent: 3667159 (1972-06-01), Todd
Burr Edgar S.
Feyrer James R.
Geoffrey, Jr. Eugene E.
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