Average Co-Inventor Count = 3.00
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Dart Industries Inc. (3 from 1,642 patents)
3 patents:
1. D275082 - Electronic timing device
2. D274314 - Electronic timing and controlling device
3. D269857 - Electronic clock/timer