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. The Franklin Institute (1 from 25 patents)
2. Certain-teed Products Corporation (1 from 2 patents)
2 patents:
1. 4483716 - Poultice method for extracting hazardous spills
2. 3961105 - Method for the manufacture of coated calcium sulfate whisker fibers