Average Co-Inventor Count = 4.20
ph-index = 1
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. Card Technology Corporation (1 from 10 patents)
2. Delmhorst Instrument Co. (1 from 3 patents)
2 patents:
1. D945283 - Instrument
2. 6484780 - Card laminator and method of card lamination