Average Co-Inventor Count = 1.20
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. Murray Corporation (3 from 74 patents)
3 patents:
1. 6659565 - Motorized hand truck for driving and steering a wheeled accessory
2. D465631 - Motorized wheelbarrow
3. 6347455 - String trimmer head