Average Co-Inventor Count = 2.00
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. Delta International Machinery Corp. (3 from 99 patents)
3 patents:
1. 6238149 - Apparatus for drill press
2. 6176651 - Attachment alignment method and apparatus
3. D423523 - Mortising apparatus