Freepoint Aeroduet Brochure, Creative Labs, Inc., Milpitas, Calif., May 1994. |
"The DynaSight.TM. Sensor Developer's Kit", Origin Instruments Corp., Grand Prairie, Tex., 1992, with photoreproduction of same. |
Freepoint.TM. Cordless Pen Mouse Brochure, Data Stream Corporation, Singapore, Nov. 1992. |
Freepoint.TM. Reference Guide, Version 1.0, Data Stream Corp., Singapore, Ed. 1, 1992. |
Welch, Nathalie, "Hawkeye zooms in on Mac screens with wireless infrared penlight pointer", 1993, with photoreproduction of same. |