Number | Name | Date | Kind |
---|---|---|---|
D283407 | Fenne | Apr 1986 | |
D284748 | Fenne | Jul 1986 | |
D297222 | Rauch | Aug 1988 | |
D306409 | Fish | Mar 1990 | |
D308947 | Downing | Jul 1990 | |
D339078 | Behlke | Sep 1993 | |
D346981 | Ratzlaff | May 1994 | |
4236822 | Jaretsky et al. | Dec 1980 |
Entry |
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ESL Bulletin 2282-SS5, Jan. 1993, Sentrol, Inc., Portland, Oreg. |
ESL Bulletin 2286-SS5, Jul. 1993, Sentrol, Inc., Portland, Oreg. |