Average Co-Inventor Count = 1.60
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. Coin Acceptors, Inc. (4 from 89 patents)
4 patents:
1. 5566809 - Vending machine protective device
2. 4399902 - Coin-handling escrow assembly
3. 4392505 - Coin payout assembly
4. 4199669 - Coin-sensing assembly