Average Co-Inventor Count = 3.45
ph-index = 5
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. American Tool Companies, Inc. (2 from 25 patents)
2. Petersen Manufacturing Co., Inc. (1 from 33 patents)
3. Petersen Manufacturing (1 from 2 patents)
5 patents:
1. 6412767 - Clamping jaw
2. 5775680 - Clamp with inclined screw
3. 5644852 - Chalk line reel
4. D365263 - Pipe clamp
5. 5326076 - Hand crew clamp