Average Co-Inventor Count = 2.67
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. Valmont Industries, Inc. (1 from 213 patents)
2. Oldcastle Precast, Inc. (1 from 56 patents)
2 patents:
1. 11280105 - Prefabricated concrete pole base and method of installation
2. D687473 - Reinforced equipment pad