Average Co-Inventor Count = 4.09
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. Mid-america Building Products Corporation (3 from 21 patents)
3 patents:
1. 5491936 - Plastic window assembly
2. 5471803 - Plastic window assembly
3. 5174076 - Ridge vent for hip roof