Average Co-Inventor Count = 2.67
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. Betts Spring Company (4 from 4 patents)
4 patents:
1. 7040662 - Mud flap holder system
2. 6827372 - Mud flap hanger system
3. 6460892 - Mud flap assembly
4. 6443492 - Adjustable spring loaded mud flap hanger apparatus