| Number | Name | Date | Kind |
|---|---|---|---|
| D230403 | Englund | Feb 1974 | |
| D238680 | Pulos | Feb 1976 | |
| D242632 | McPherson | Dec 1976 | |
| D294263 | Rodgers et al. | Feb 1988 | |
| D294519 | Hardy, Jr. | Mar 1988 | |
| D331750 | Yang | Dec 1992 | |
| 4688933 | Lapeyre | Aug 1987 | |
| 5166668 | Aoyagi | Nov 1992 |
| Entry |
|---|
| Freepoint Aeroduet Brochure, Creative Labs, Inc., Milpitas, Calif., May 1994. |
| "The DynaSight.TM. Sensor Developer's Kit", Origin Instruments Corp., Grand Prairie, Tex., 1992, and photoreproduction of same. |
| Freepoint.about.Cordless Pen Mouse Brochure, Data Stream Corporation, Singapore, Nov. 1992. |
| Freepoint.TM. Reference Guide, Version 1.0, Data Stream Corp., Singapore, Ed. 1, 1992. |