Average Co-Inventor Count = 3.00
ph-index = 1
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. Master Addresser Company (2 from 2 patents)
2 patents:
1. 4391194 - Method for addressing cards and envelopes
2. 4186659 - Machine for addressing cards and envelopes