Average Co-Inventor Count = 4.57
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. Dual-lite Inc. (2 from 15 patents)
2. S. C. Johnson Son, Inc. (1 from 2,353 patents)
3. Actuant Corporation (1 from 199 patents)
4 patents:
1. 7802340 - Extendable cleaning implement having two support heads
2. D613137 - Cable tool
3. 6280042 - Emergency lighting device
4. 6019477 - Emergency lighting device