Average Co-Inventor Count = 2.67
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 832,812 patents)
2. Monier, Inc. (1 from 23 patents)
2 patents:
1. 6071448 - Manufacture of roof tiles
2. 5772939 - Manufacture of building products