Average Co-Inventor Count = 2.40
ph-index = 1
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. Mannesmann Rexroth Corporation (1 from 238 patents)
2. International Design Systems Company (1 from 2 patents)
2 patents:
1. 5950372 - Sheltering apparatus and method of sheltering same
2. 5687816 - Underground storage space