Average Co-Inventor Count = 2.57
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. Newell Operating Company (2 from 390 patents)
2. Ez Paintr Corporation (1 from 22 patents)
3 patents:
1. 6539999 - Apparatus and method for making variable paint roller covers
2. 5468207 - Method and apparatus of manufacturing a paint roller
3. 5206968 - Paint roller