| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Clock horn button | US6853136 | 1936-03-12 | US2234527A | 1941-03-11 | HOLLINGSWORTH MAURICE H |
| 2 | Steering wheel alarm clock | US592971 | 1996-01-29 | US5673237A | 1997-09-30 | Steve Blank |
| A steering wheel alarm clock for mounting to a steering wheel and alerting a driver to a passage of a predetermined amount of time. The inventive device includes a housing having a semi-circular upper edge which can be positioned against an interior surface of a steering wheel. Straps extend from the housing and can be secured about the steering wheel to mount the housing thereto. An alarm clock module is mounted to the front face of the housing and can be manually operated to actuate a beeper to alert a driver to a passage of a predetermined length of time. | ||||||
| 3 | Automobile steering means | US9929536 | 1936-09-03 | US2207736A | 1940-07-16 | HOLLINGSWORTH MAURICE H |
| 4 | Self-winding auto clock | US17595550 | 1950-07-26 | US2657526A | 1953-11-03 | ANTOINE GAZDA |
| 5 | Combination horn button and timepiece | US74458034 | 1934-09-18 | US2095983A | 1937-10-19 | HOLLINGSWORTH MAURICE H |
| 6 | Timepiece and automobile horn button | US55026231 | 1931-07-11 | US1925188A | 1933-09-05 | HOLLINGSWORTH MAURICE H |
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