Average Co-Inventor Count = 2.53
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. Allis-chalmers Corporation (3 from 532 patents)
2. Sycor, Inc. (1 from 31 patents)
4 patents:
1. D279569 - Tractor engine hood
2. D275199 - Tractor cab
3. 4185867 - Harvester with a laterally extending visor structure
4. D246974 - Data printer