Average Co-Inventor Count = 1.50
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. Other (1 from 832,891 patents)
2. Elk Products, Inc. (1 from 3 patents)
2 patents:
1. D376149 - Loudspeaker enclosure
2. 4847719 - Apparatus and method for protecting the contacts of an electrical switch