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Modular tray accumulator system
(United States. Patent and Trademark Office, 1991-09-10)
A modular tray accumulator system includes a number of horizontal and vertical stacked conveyors arranged in a portable module. Each conveyor operates independently of the others. The system may be mechanically raised or ...
Use of baculovirus early promoters for expression of foreign genes in stably transformed insect cells
(United States. Patent and Trademark Office, 1991-12-31)
The present invention provides an alternative strategy for baculovirus-mediated foreign gene expression: the promoters from immediate-early or delayed-early baculovirus viral genes were used to obtain the continuous ...