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 |
| 4449192 | Radio wave angle of incidence measurement apparatus This invention relates to a radio wave angle of incidence measurement apparatus which is applicable to radar and other detection systems, and which utilizes an antenna array with radiator elements distributed at a spacing larger than one half of the propa... | 05/15/1984 |
