United States Patent 3347231
Inventors:
Chien-hshuing, Chang
Publication Date:
10/17/1967
Assignee:
Chien-hshuing, Chang
Other Classes:
131/273, 131/274
International Classes:
A24F47/00; A61M15/06
US Patent References:
| 2755206 | Tobacco smoking article | | | |
| 2766755 | Plural compartment vials and syringe cartridges | | | |
| 2863461 | Cigarette filter construction | | | |
| 2977014 | Ampoule type container and method of producing the same | | | |