Average Co-Inventor Count = 3.48
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. Simplex Time Recorder Co. (4 from 52 patents)
4 patents:
1. 6061303 - Programmable time recorder
2. 5793707 - Programmable time recorder
3. 5761996 - Pivoting time recorder
4. D368037 - Time stamp