Average Co-Inventor Count = 1.64
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. Waterbury Companies, Inc. (2 from 36 patents)
2. Other (1 from 832,812 patents)
3 patents:
1. 5327623 - Semi-automated button closing machine
2. 5301402 - Automated button closing machine
3. 5267511 - Device for pressing buttons by resisting upward movement