| Number | Name | Date | Kind |
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| D214755 | McPhee | Jul 1969 | |
| D222138 | Palmer et al. | Oct 1971 | |
| D243717 | Edmark et al. | Mar 1977 | |
| D266270 | Sugawara et al. | Sep 1982 | |
| D287473 | Ueno | Dec 1986 | |
| D299318 | Chiang | Jan 1989 | |
| D342087 | Mear et al. | Dec 1993 | |
| D342088 | Sonntag et al. | Dec 1993 | |
| D351562 | Moffatt et al. | Oct 1994 | |
| D371747 | Strader | Jul 1996 | |
| D383988 | Luebke | Sep 1997 | |
| D399146 | Le Breton | Oct 1998 | |
| D410203 | Beha | May 1999 | |
| 2476115 | Runbaken | Jul 1949 | |
| 2536577 | Simmons et al. | Jan 1951 | |
| 3822598 | Brothers et al. | Jul 1974 | |
| 3826981 | Ross | Jul 1974 | |
| 3919631 | Brown | Nov 1975 | |
| 3944921 | Tsuda et al. | Mar 1976 | |
| 3962630 | Chaffee | Jun 1976 | |
| 4006409 | Adams | Feb 1977 | |
| 4034293 | Roch | Jul 1977 | |
| 4152639 | Chaffee | May 1979 | |
| 4527118 | Koslar | Jul 1985 | |
| 4533864 | Austin | Aug 1985 | |
| 4724382 | Schauerte | Feb 1988 | |
| 4859932 | Whitley | Aug 1989 | |
| 4942356 | Ellingen et al. | Jul 1990 | |
| 5103165 | Sirattz | Apr 1992 | |
| 5363045 | Martin et al. | Nov 1994 | |
| 5430604 | Wong | Jul 1995 |
| Number | Date | Country |
|---|---|---|
| 599583 | Jul 1990 | AUX |
| Entry |
|---|
| FCB International Co., Walnut Creek, Cal., brochure entitled "Electric Finder", undated, admitted prior art. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 904041 | Jul 1997 | |
| Parent | 056023 | Jun 1996 |