Average Co-Inventor Count = 2.29
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. Apex Brands, Inc. (3 from 285 patents)
2. Jacobs Chuck Manufacturing Company (1 from 44 patents)
4 patents:
1. 9662713 - Locking chuck jaws
2. D741134 - Keyless chuck
3. 8894073 - Locking chuck jaws
4. 8376371 - Locking chuck jaws