Average Co-Inventor Count = 1.20
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. Gibson Guitar Corp. (2 from 109 patents)
2. Other (1 from 832,680 patents)
3 patents:
1. D390253 - Drum pedal actuator mechanism and pedal combination
2. D387375 - Bass drum and auxiliary drum mounting unit combination
3. 4901617 - Hand-held percussion instrument