Average Co-Inventor Count = 3.27
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. Norden Laboratories, Inc. (2 from 19 patents)
2. Pfizer Corporation (1 from 4,455 patents)
3 patents:
1. 5855894 - Pasteurella haemolytica type A-1 bacterin-toxoid vaccine
2. 5019388 - Bordetella bronchiseptica vaccine
3. 4888169 - Bordetella Bronchiseptica vaccine