Average Co-Inventor Count = 3.27
ph-index = 2
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. Brown & Williamson Tobacco Corporation (3 from 282 patents)
3 patents:
1. 4354591 - Carton collating and transfer apparatus
2. 4351792 - Apparatus for making grooves in tobacco smoke filters
3. 4324540 - Apparatus for making grooves in tobacco smoke filters