Average Co-Inventor Count = 1.00
ph-index = 1
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. Esb United States, Inc. (1 from 3 patents)
2. Esb International Corp. (1 from 2 patents)
1 patent:
1. 4221852 - Radial grids for lead acid batteries