Average Co-Inventor Count = 2.25
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. Ez Painter Corporation (2 from 5 patents)
2. Ez Paintr Corporation (1 from 22 patents)
3 patents:
1. 4424603 - Edging device for a paint tool
2. 4325157 - Extension handle
3. 4060215 - Slotted tool handle