Average Co-Inventor Count = 1.33
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. Winfield Corporation (2 from 8 patents)
2. Winfield Industries (1 from 8 patents)
3 patents:
1. 4593873 - Portable hamper with foot pedal operated cover
2. 4520926 - Container for sharps
3. 4494652 - Container for sharps