Average Co-Inventor Count = 1.50
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. Hunt Manufacturing Co. (2 from 13 patents)
2 patents:
1. 4511111 - Portable keyboard support
2. 4176753 - Hanging file support frame