Average Co-Inventor Count = 1.20
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. Penn Engineering & Manufacturing Corp. (3 from 59 patents)
3 patents:
1. D287221 - Portable press
2. 4555928 - Press having a leveraged linkage assembly mechanism
3. 4393684 - Press having a linkage mechanism connectable and disconnectable from a