Average Co-Inventor Count = 1.33
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. Outboard Marine Corporation (2 from 942 patents)
2 patents:
1. 3965657 - Rear safety bumper for rider mowers
2. 3958398 - Starter interlock for self-propelled lawn mower