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. Gracewood Management, Inc. (4 from 26 patents)
4 patents:
1. 12351961 - Sewing frame with workspace edge warning system
2. 12338563 - Close stitch hopping foot
3. 12116709 - Sewing frame with workspace edge warning system
4. 11566357 - Sewing frame with workspace edge warning system