Average Co-Inventor Count = 1.33
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. Penn Fishing Tackle Mfg. Co. (3 from 20 patents)
2. Penn Fishing and Tackle Mfg. Co. (1 from 1 patent)
4 patents:
1. D451576 - Fishing reel
2. D310116 - Fishing reel
3. 4948083 - Swivel base mount for downrigger
4. 4770362 - Fishing reel with removable side plate ring