Average Co-Inventor Count = 2.67
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. Other (1 from 832,812 patents)
2. The Singer Company (1 from 1,246 patents)
2 patents:
1. 4853863 - Device to measure the relative position and attitude of two bodies
2. 4173081 - Video generator for use in a synthetic terrain generator