Number | Date | Country | Kind |
---|---|---|---|
226929 | Nov 1988 | NZX |
Number | Name | Date | Kind |
---|---|---|---|
3163022 | Hottenroth | Dec 1964 | |
4716739 | Harris et al. | Jan 1988 | |
4754611 | Hosaka et al. | Jul 1988 | |
4829774 | Wassibauer et al. | May 1989 | |
4833892 | Wassibauer et al. | May 1989 | |
4841732 | Sarcia | Jun 1989 | |
4961322 | Oguma et al. | Oct 1990 |
Number | Date | Country |
---|---|---|
3202701 | Aug 1983 | DEX |
Entry |
---|
Pamphlet, "Prism-Controlled Atmosphere Systems" by Permea Inc./A. Monsanto Company, St. Louis, Mo. (5 pages). |