Average Co-Inventor Count = 4.00
ph-index = 2
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. Douglas Battery Manufacturing Company (1 from 11 patents)
2. Douglas Battery Manufacturing (1 from 1 patent)
2 patents:
1. D294484 - Battery housing
2. 4693949 - Storage battery housing