Average Co-Inventor Count = 3.00
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. Laurel Bank Machines Company, Ltd. (3 from 138 patents)
3 patents:
1. 4905841 - Money receiving and disbursing machine
2. 4890824 - Recirculation-type bill receiving and dispensing machine
3. 4854452 - Bill receiving, discriminating, and dispensing machine