Average Co-Inventor Count = 2.00
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. Other (1 from 832,912 patents)
2. Frank Brunckhorst Co. (1 from 6 patents)
3. Friedrich Metal Products Co., Inc. (1 from 4 patents)
1 patent:
1. 3935688 - Impervious wall structure