Average Co-Inventor Count = 3.75
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. Sielaff Gmbh & Co. Automatenbau Herrieden (1 from 6 patents)
2. Sielaff Gmbh & Co. (1 from 5 patents)
2 patents:
1. 4396106 - Mechanical vending machine having slidable pivotal coin analyzer
2. 4235351 - Merchandise dispensing device for a vending machine