Average Co-Inventor Count = 2.25
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. Draper Technologies, Inc. (2 from 3 patents)
2. Other (1 from 833,002 patents)
3 patents:
1. 4690303 - Coupon packet dispensing system
2. 4566608 - System for converting stack access newspaper vending machines and the
3. 4558803 - Mechanism for converting stack access newspaper vending machines and the