Average Co-Inventor Count = 2.64
ph-index = 5
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. J. D'addario & Company, Inc. (3 from 26 patents)
2. Boston Acoustics, Inc. (2 from 43 patents)
3. Dexter-russell, Inc. (2 from 9 patents)
7 patents:
1. 8615888 - Impaired grip knife
2. D553907 - Hand tool handle
3. D504418 - Handle
4. 6797872 - Electronic tuner for tuning a musical instrument
5. 6748627 - Combination handle and cabinet fastener
6. 6640344 - Shoulder pad
7. 6481022 - Shoulder pad