Average Co-Inventor Count = 1.29
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. Clark Equipment Compnay (3 from 679 patents)
3 patents:
1. D271151 - Overhead guard for a lift truck
2. 4043472 - Load back rest for lift truck
3. 3995891 - Driver's overhead guard