Number | Name | Date | Kind |
---|---|---|---|
4180770 | Eby | Dec 1979 | |
4888716 | Ueno | Dec 1989 |
Entry |
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"Bravo" Series Numeric Display Pagers, Theory and Maintenance Manual, publication 68P81047C95-0, published Jul., 1989 in Boynton Beach, Fla. by Motorola, Inc. on p. 2, section I, entitled Battery Check & Monitor. |