Average Co-Inventor Count = 1.00
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. National Guard Products, Inc. (4 from 15 patents)
4 patents:
1. D420454 - Intumescent seal
2. D418616 - Intumescent seal
3. D418234 - Intumescent seal
4. D417739 - Intumescent seal