Ash tray with filter
United States Patent 2788085
US Patent References:
Apparatus for filtering and treating air
- - 1801506
Portable testing instrument
- - 2001588
Machine for circulating clean, deodorized, and sterilized air
- - 2209054
Electric toaster
- - 2244619
Portable odor adsorption device
- - 2511497
Apparatus for filtering and treating air
- - 1801506
Portable testing instrument
- - 2001588
Machine for circulating clean, deodorized, and sterilized air
- - 2209054
Electric toaster
- - 2244619
Portable odor adsorption device
- - 2511497
Inventors:
Waller, Philip H.
Publication Date:
04/09/1957
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Export Citation:
Assignee:
Waller, Philip H.
Primary Class:
Other Classes:
131/238, 15/323, 131/231, 55/385.600, 55/358, 242/129, 55/472
International Classes:
A24F19/00
US Patent References:
| 2716469 | Fluid brakes for rotary members |
Foreign References:
| FR917117A | ||||
| FR1074084A |