Number | Name | Date | Kind |
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3119837 | Kingsley et al. | Jan 1964 | |
4897498 | Monnier et al. | Jan 1990 | |
4950773 | Monnier et al. | Aug 1990 | |
5057481 | Bhasin | Oct 1991 | |
5081096 | Monnier et al. | Jan 1992 | |
5117012 | Stavinoha, Jr. et al. | May 1992 | |
5138077 | Monnier et al. | Aug 1992 | |
5145968 | Monnier et al. | Sep 1992 | |
5362890 | Stavinoha, Jr. et al. | Nov 1994 |
Number | Date | Country |
---|---|---|
1286687 | Jul 1991 | CAX |
2053404 | Dec 1992 | CAX |
Entry |
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F. P. Lee, "Loss Prevention in the Process Industries", vol. 1, (1980),485-486. |
R. D. Coffee, "Loss Prevention", vol. 13, (1980), 74-80. |