Average Co-Inventor Count = 1.25
ph-index = 4
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. Cutco Cutlery Corporation (3 from 4 patents)
2. American Allsafe Company (2 from 11 patents)
5 patents:
1. D372181 - Knife sharpener
2. 5461942 - Knife sharpener
3. D363417 - Cutting board
4. D347233 - Safety goggles
5. 5216759 - Safety goggles lens retention