...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 |
| 6457404 | Polished cereal processing apparatus An apparatus for processing polished cereal to obtain no-bran cereal having a reduced size. The apparatus comprises a polished cereal processing section for removing bran remaining on surfaces of polished cereal by mixing granular material with the polish... | 10/01/2002 |
| 5419252 | Vertical milling machine A vertical milling machine comprises a first milling part and a second milling part situated under the first milling part, the first and second milling parts having a common main shaft extending vertically. The first milling part has a supply part of grai... | 05/30/1995 |
| 5209158 | Grain cleaning and polishing machine A machine for cleaning and polishing grains comprises at least one treatment chamber which includes an upper frusto conical baffle having a central opening to admit grains thereinto, an intermediate rotatory disc to impart movement to the grains falling t... | 05/11/1993 |