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. Addressograph Multigraph Corporation (2 from 138 patents)
2 patents:
1. 4059051 - Data recorder with portable cartridge
2. 3946665 - Apparatus for positioning a rotatable indicia carrying member