Average Co-Inventor Count = 1.14
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. Baldwin Piano & Organ Company (3 from 46 patents)
2. Random Corporation (1 from 6 patents)
4 patents:
1. D302269 - Display terminal
2. D266525 - Bass drum
3. 4279189 - Bass drum spur and stabilizer assembly
4. D259199 - Electric guitar