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Bishop-Hall, Inc. Patents |
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Assignee: Bishop-Hall, Inc.
Address: Geneva, IN
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4325057 |
School bus approach notification method and apparatus |
April 13, 1982 |
| A system and method whereby school children waiting for the arrival of a school bus are notified of impending arrival of the bus by means of a radio transmitted signal which activates a visual or audio alarm located in their respective residences. A radio frequency transmitter is placed |
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