Average Co-Inventor Count = 1.20
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. Bell + Howell Company (2 from 502 patents)
2. Bell & Howell Mail and Messaging Technologies Company (1 from 33 patents)
3 patents:
1. 6536191 - Method and apparatus for high speed envelope traying
2. 5857669 - Method and apparatus for high speed merging of sheet material onto a
3. 5809749 - High speed envelope packing apparatus