Average Co-Inventor Count = 2.40
ph-index = 4
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. Tenco Machinery Ltd. (4 from 7 patents)
4 patents:
1. 5477600 - Snow plow with deformable moldboard
2. 5170947 - Salt and sand spreader kit
3. 5031343 - Mounting bracket for side wing plow
4. 4995773 - Spreader and dump truck construction