Average Co-Inventor Count = 1.20
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. Strippit/di-acro-houdaille, Inc. (2 from 4 patents)
2. Houdaille Industries, Inc. (1 from 87 patents)
3 patents:
1. 4709605 - Method of working sheet material workpieces by a sheet material working
2. 4690021 - Automatic load unload turret punch
3. 4201905 - Laser cutting head attachment for punch presses