Average Co-Inventor Count = 2.40
ph-index = 4
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. Philip Morris Inc. (2 from 759 patents)
2. Dart Industries Inc. (1 from 1,642 patents)
3. Berlex Laboratories, Inc. (1 from 100 patents)
4. Dual-lite Inc. (1 from 15 patents)
5 patents:
1. 5669502 - Vial holder
2. D328958 - Cigarette pack display container
3. 5040674 - Cigarette pack display container
4. D269656 - Combined mail and key rack or the like
5. D264253 - Wall mounted lighting fixture