Average Co-Inventor Count = 4.00
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. Microform Data Systems, Inc. (3 from 5 patents)
3 patents:
1. 4202613 - Film strip handling apparatus and method
2. 4053215 - Film strip handling apparatus and method
3. 3963336 - Film strip handling apparatus and method