| Number | Date | Country | Kind | 
|---|---|---|---|
| 2-15664 | May 1990 | JPX | 
| Number | Name | Date | Kind | 
|---|---|---|---|
| D298033 | Hatsumi et al. | Oct 1988 | |
| D298321 | Watanake | Nov 1988 | |
| D306163 | Soren et al. | Feb 1990 | |
| D310366 | Akaike et al. | Jul 1990 | |
| D315558 | Watanabe et al. | Mar 1991 | |
| D316410 | Watanabe et al. | Apr 1991 | 
| Entry | 
|---|
| "Clarion 3000 Series Cellular Telephone" Catalogue (date unknown). | 
| "Ericsson GE Mobile Communications Inc." Catalogue (date unknown). | 
| "Panasonic, EB-310/311 Cellular Mobilephone" Catalogue (date unknown). | 
| B. A. Pargh's 1987 Catalog, .COPYRGT.1987, Cordless Handset Telephones on pp. 274, 275. |