Average Co-Inventor Count = 1.00
ph-index = 8
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. Seron Manufacturing Company (8 from 9 patents)
2. Other (1 from 832,912 patents)
9 patents:
1. 5669119 - Cord lanyard
2. 5495820 - Whistle with tone changing rotator
3. 5251569 - Multiple tone whistle
4. 5092018 - Lanyard construction
5. 5027477 - Break away lanyard
6. 4790646 - Eyeglass holder
7. 4359961 - Plastic whistle
8. 4136934 - Eyeglass holder
9. 3979795 - Decorative eyeglass holder