Average Co-Inventor Count = 4.00
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. Phonemate, Inc. (2 from 19 patents)
2 patents:
1. D372717 - Telephone answering device base unit
2. D356087 - Combined telephone, telephone handset and telephone answering device