Average Co-Inventor Count = 5.07
ph-index = 5
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. J. S. Land Management Corporation (4 from 5 patents)
2. Oldcastle Precast, Inc. (2 from 56 patents)
3. Bescal, Inc. (1 from 1 patent)
7 patents:
1. 9284711 - Utilities access closure
2. 8827589 - Utilities access closure
3. D682553 - Lid for a utility box
4. D662323 - Lid for a utility box
5. 8061928 - Utilities access closure
6. 7748926 - Utilities access closure
7. 7163352 - Utilities access closure