Average Co-Inventor Count = 2.00
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. Other (1 from 832,812 patents)
2. Rock Island Industries (1 from 6 patents)
2 patents:
1. 8782828 - Spring wire support for foundations and inner spring mattresses
2. 8091161 - Variable spring surface deck and foundation having variable spring surface deck