Average Co-Inventor Count = 5.09
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. Chicago Steel Tape Co. (1 from 6 patents)
2. Chicago Steel Tape (1 from 1 patent)
2 patents:
1. D500734 - Multipoint self-leveling laser
2. 6763596 - Laser alignment device