ETHIODIZED OIL EMULSION FOR INTRAVENOUS HEPATOGRAPHY. Read more about ETHIODIZED OIL EMULSION FOR INTRAVENOUS HEPATOGRAPHY. US Patent 4,404,182Filed on 1980-01-08
FECALATOR, AN APPARATUS AND METHOD FOR CONCENTRATION OF PARASITE EGGS AND LARVAE Read more about FECALATOR, AN APPARATUS AND METHOD FOR CONCENTRATION OF PARASITE EGGS AND LARVAE US Patent 4,081,356Filed on 1976-09-24