Average Co-Inventor Count = 2.40
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. Echo, Inc. (2 from 39 patents)
2. Other (1 from 832,891 patents)
3 patents:
1. 9492941 - Apparatus having a tool on an elongate pole
2. 8020304 - Power transmission assembly for tool mounted on an elongate pole
3. 7406770 - Trimmer with cooperating cutter blades