United States Patent 2709954
Inventors:
Baker, Arthur K.
Publication Date:
06/07/1955
Assignee:
Baker, Arthur K.
Other Classes:
134/1, 55/315, 108/50.130, 96/16, 96/57, 96/224, 55/DIG.018, 55/DIG.029, 968/653
International Classes:
B25H1/20; F24F3/16; G04D1/00; B25H1/00
US Patent References:
| 2397197 | Electrostatic precipitator apparatus | | | |
| 2397731 | Method and apparatus for radium coating mechanism | | | |
| 2436508 | Machine mounted hood device for protecting attendants from dust | | | |