Average Co-Inventor Count = 1.64
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. Sunnen Products Company (2 from 61 patents)
2. Bourn & Koch Machine Tool Co. (1 from 3 patents)
3 patents:
1. 5234295 - Adjustable support fixture
2. 4886157 - Workpiece delivery magazine
3. 4507030 - Cam operated machining unit