Average Co-Inventor Count = 1.50
ph-index = 5
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 (4 from 832,812 patents)
2. Bellmore-johnson Tool Co. (1 from 3 patents)
3. Hoff-stevens, Inc. (1 from 2 patents)
6 patents:
1. 4646458 - Rimless cartridge extractor
2. 4472901 - Pistol grip assembly
3. 4407085 - Handgun firing mechanism
4. 4400900 - Multi-barrel handgun firing mechanism
5. 4392320 - Trigger retaining and stabilizing means
6. 3933282 - Universal tavern unit for keg tapping device