Timing apparatus
United States Patent 3102380
US Patent References:
Novelty clock device
- - 2639577
Display device
- - 2798324
Skid indicator for vehicles
- - 2869852
Novelty clock device
- - 2639577
Display device
- - 2798324
Skid indicator for vehicles
- - 2869852
Inventors:
Dahl, Joseph D.
Publication Date:
09/03/1963
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Export Citation:
Assignee:
Dahl, Joseph D.
Primary Class:
Other Classes:
116/301, 968/144, 968/140, 368/238, 40/473
International Classes:
G04B19/02; G04B19/04; G04B19/00
Foreign References:
| CH137509A |