Average Co-Inventor Count = 1.20
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. Marquette Electronics (3 from 29 patents)
4 patents:
1. 4215236 - Junction box for electrocardiographic leads
2. D253490 - Junction box for electrocardiographic leads
3. D245123 - Electrocardiograph
4. 4026278 - Electrode positioning and retaining belt