Average Co-Inventor Count = 1.50
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. Cbs Corporation (6 from 133 patents)
6 patents:
1. D255463 - Receiver hardware for percussive musical instruments
2. 4185808 - Connector hardware for percussive instruments
3. D250222 - Receiver hardware for percussive musical instruments
4. D250221 - Receiver hardware for percussive musical instruments and accessories
5. D249820 - Musical drum beater
6. 3981220 - Snare drum with tone ring