Average Co-Inventor Count = 2.67
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. Lucent Technologies Inc. (5 from 9,364 patents)
2. At&t Bell Laboratories (1 from 3,345 patents)
6 patents:
1. D393469 - Telephone handset
2. D388085 - Telephone base
3. D388087 - Telephone base
4. D386176 - Telephone base
5. D385556 - Telephone handset
6. 5237607 - Lighted telephone dial