Average Co-Inventor Count = 5.00
ph-index = 3
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. Ohio Electronic Engravers, Inc. (3 from 51 patents)
3 patents:
1. D381682 - Housing for an engraver
2. D377945 - Housing for an engraver
3. D374891 - Engraver