Average Co-Inventor Count = 1.17
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. Bedson Drum Co. (5 from 5 patents)
2. Other (2 from 832,880 patents)
7 patents:
1. 11705094 - Drumhead tuning rim system and method of use
2. 10796674 - Drumhead tuning rim system and method of use
3. 10714063 - Drumhead tuning rim system and method of use
4. 9767773 - Drumhead tuning rim system and method of use
5. 9653052 - Drumhead tuning rim system and method of use
6. 9006548 - Drumhead tuning rim apparatus and method of use
7. 8642867 - Drumhead tuning rim apparatus and method of use