Average Co-Inventor Count = 1.82
ph-index = 2
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. Shure Brothers Incorporated (9 from 55 patents)
2. Burd, Inc. (1 from 4 patents)
10 patents:
1. D274811 - Phonograph cartridge
2. D274812 - Phonograph stylus
3. D274813 - Phonograph stylus
4. D274810 - Phonographic cartridge
5. D261652 - Power console
6. D258924 - Chair or similar article
7. D258586 - Phonograph stylus
8. D257676 - Phonograph cartridge
9. D254004 - Phonograph cartridge and stylus assembly
10. D252628 - Phonograph stylus