Average Co-Inventor Count = 1.25
ph-index = 4
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. Empire Level Mfg. Corp. (3 from 33 patents)
2. Empire Level Mfg. Co. (2 from 10 patents)
5 patents:
1. 7219808 - Display rack for levels
2. D466824 - Closed measuring tape case
3. D466423 - Open reel measuring tape
4. D423380 - Open reel measuring tape case
5. 5875576 - Method and display card for labeling a tool