Average Co-Inventor Count = 3.27
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. Graphic Sciences, Inc. (2 from 7 patents)
2. Burroughs, Inc. (1 from 1,222 patents)
3 patents:
1. 4149033 - Acoustic coupler assembly
2. 4148076 - Facsimile machine
3. 4134136 - Paper carrier for facsimile machine