Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 4405257 | Safety mat for use in protection of waterwashed areas against erosion and/or undermining A safety mat for protection against erosion and/or undermining consisting of a number of parallel tubular members containing a filling material and being interconnected by cross-binding ribbons placed at right angles to the tubular members. As filling mat... | 09/20/1983 |
