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. National Presto Industries, Inc. (2 from 185 patents)
2 patents:
1. 4115918 - Method of making electric appliance with intermittently staked sheathed
2. 4052590 - Electric appliance with intermittently staked sheathed heating element