Average Co-Inventor Count = 1.09
ph-index = 6
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. Other (3 from 832,891 patents)
2. Flex-o-lite, Inc. (1 from 10 patents)
3. Custom Stamping Mfg. Co. (1 from 2 patents)
6 patents:
1. D336507 - Ice fishing tip up frame
2. 5020263 - Fish actuated ice fishing signaling device and method of using it
3. 4951407 - Yieldable sign stand
4. 4498657 - Sign standard for supporting and displaying a sign
5. 4441214 - Protective head shield
6. 4038769 - Portable sign holder