Average Co-Inventor Count = 1.67
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. Other (1 from 832,761 patents)
2. Clark Equipment Compnay (1 from 679 patents)
2 patents:
1. 6116007 - Four bar linkage mounting for mowers
2. 5435117 - Rotary mower with automatic engine cut off