Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5124263 | Recombination resistant retroviral helper cell and products produced thereby An improved helper cell for growing up stocks of replication incompetent retrovirus vectors is disclosed. The helper cell resists recombination events due to the fact that natural promoters and poly(A) sequences in the helper sequences have been replaced ... | 06/23/1992 |
