Average Co-Inventor Count = 2.00
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. Matthews International Gmbh (3 from 89 patents)
2. Matthews Resources, Inc. (2 from 32 patents)
5 patents:
1. 11841039 - Method and system of affixing a plaque to a solid surface
2. 11371543 - Method and system of affixing a plaque to a solid surface
3. 9989081 - Method and system of affixing a plaque to a solid surface
4. 9273711 - Method and system of affixing a plaque to a solid surface
5. 8635758 - Method of affixing a plaque to a solid surface