Number | Name | Date | Kind |
---|---|---|---|
3660277 | McNhirtor | May 1972 | |
3772188 | Edwards | Nov 1973 | |
3870033 | Faylor | Mar 1975 | |
4012321 | Koubek | Mar 1977 | |
4218315 | Hartkorn | Aug 1980 | |
4280912 | Berry | Jul 1981 | |
4548716 | Boeve | Oct 1985 | |
4563286 | Johnson | Jan 1986 | |
4849114 | Zeff | Jul 1989 | |
4913827 | Nebel | Apr 1990 | |
5043080 | Cater | Aug 1991 | |
5180499 | Hinson | Jan 1993 |
Number | Date | Country |
---|---|---|
14312 | Nov 1990 | WOX |
Entry |
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Chemical Engineering Magazine Jan. 1982, "Ultraviolet Light Takes on CPI Role" by Legan. |