Average Co-Inventor Count = 2.11
ph-index = 4
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. Enm Company (4 from 6 patents)
4 patents:
1. D348408 - Miniature electromechanical hour meter/counter
2. D348019 - Hour meter
3. D332923 - Engine operating time hour meter
4. 5121368 - Engine operating time measuring apparatus