Average Co-Inventor Count = 1.50
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. Russell, Burdsall & Ward Corporation (3 from 20 patents)
2. Acme-cleveland Corporation (2 from 20 patents)
3. Other (1 from 832,718 patents)
4. The Lamson & Sessions Co. (1 from 122 patents)
7 patents:
1. 4532736 - Sharpening device
2. 4490083 - Sealing capped nut and bolt therefor
3. 4416173 - Wrench adapter
4. 4322195 - Lug nut
5. 4289049 - Bolt holding machine wrench
6. 4278123 - Simplified foundry core making machine and method
7. 4135569 - Molding machine clean out