Average Co-Inventor Count = 2.85
ph-index = 12
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. Johnson Level & Tool Mfg. Co., Inc. (18 from 85 patents)
2. Diamond Tech LLC (7 from 22 patents)
25 patents:
1. D777589 - Torpedo level
2. D751430 - Box beam level
3. D751429 - I-beam level
4. D751427 - I-beam level
5. D751428 - Torpedo level
6. D750511 - Box beam level
7. D750512 - Level
8. D743818 - Box beam level
9. D743281 - Box beam level
10. D735063 - Level
11. D735062 - Level
12. D729645 - Torpedo level
13. D726038 - Measuring wheel
14. D726039 - Measuring wheel
15. D726040 - Measuring wheel