Average Co-Inventor Count = 2.40
ph-index = 2
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. Houdaille Industries, Inc. (1 from 87 patents)
2. Devlieg-Bullard, Inc. (1 from 4 patents)
2 patents:
1. 5110240 - Apparatus for coupling tool holders
2. 4456271 - Tool holder with clamped position latch