"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 6743624 | Process for continuous purification and concentration of leukocytes from blood Process and apparatus for the continuous purification and concentration of leukocytes from blood, characterized in that said process comprises the following steps: (a) seperating plasma from the blood by filtration in order to achieve a filtered buffy coat fraction;... | 06/01/2004 |
| 6309862 | Methionine containing animal cell culture medium and its use A nutrient medium for protein producing cells, characterized in that said medium consists essentially of the following components: a physiological saline containing Ca2+, K+, Mg2+ and Na+, an energy source, a pH... | 10/30/2001 |