Average Co-Inventor Count = 1.20
ph-index = 3
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. Anderson Jacobson, Inc. (2 from 5 patents)
2. Amcon, Inc. (1 from 2 patents)
3 patents:
1. 4803427 - Precision measuring gauge having sonic delay line with free-standing
2. 4246444 - Telephone handset acoustic coupling cup
3. 4158106 - Telephone handset acoustic coupling cup