Average Co-Inventor Count = 2.29
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. Maclean-fogg Company (4 from 128 patents)
2. Stemco Inc (1 from 38 patents)
3. Stemco Products, Inc. (1 from 30 patents)
4 patents:
1. 10323676 - Locking nut
2. 9683596 - Locking nut
3. 9435370 - Locking fastener
4. 8540470 - Locking nut