Average Co-Inventor Count = 3.00
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. Environmental Products Corp. (2 from 21 patents)
2 patents:
1. 4573641 - Glass bottle collection and crushing apparatus
2. 4469212 - Container collection apparatus with piston-actuated crusher