Average Co-Inventor Count = 1.71
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. Woodstream Corporation (3 from 340 patents)
3 patents:
1. 4856225 - Gopher trap
2. 4751790 - Snare trap
3. 4557068 - Padded leghold trap