Average Co-Inventor Count = 1.00
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. Other (2 from 832,880 patents)
2. Empak, Inc. (1 from 56 patents)
3 patents:
1. 5639991 - Utility box insert
2. 5230190 - Joist bridge and duct support
3. 5205093 - Pre-manufactured step support