Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7432008 | Gas diffusion layer for an electrochemical cell An electrochemical cell includes: a membrane electrode assembly: first and second reactant flow field plates for providing first and second reactant flow fields disposed on either side of the membrane electrode assembly. A first seal is disposed between the first re... | 10/07/2008 |
