Average Co-Inventor Count = 1.50
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. Outboard Marine Corporation (3 from 942 patents)
3 patents:
1. 4800712 - Grass catcher mounting system
2. 4444002 - Grass clipping catcher
3. 4258538 - Grass catcher bag