Average Co-Inventor Count = 1.41
ph-index = 4
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 (3 from 832,891 patents)
4 patents:
1. D367346 - Golf cart
2. 5072958 - Hand truck
3. 4574893 - Compact power swivel
4. 4547109 - Drill pipe handling and placement apparatus