Average Co-Inventor Count = 1.50
ph-index = 8
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 (5 from 832,812 patents)
2. Diker-moe Associates (3 from 7 patents)
3. Protector Development (2 from 2 patents)
11 patents:
1. 7090779 - Manually operable water purifying device
2. 5632048 - Protector hearing helmet
3. 5361419 - Helmet with sound ducts
4. 5037088 - Hydraulic resistance exerciser with relatively rotatable arms
5. 4941540 - Universal electric wheeled chair
6. 4825971 - Universal wheeled chair
7. D299326 - Wheelchair
8. 4249336 - Construction toy
9. 4237631 - Picture frame
10. 4203247 - Toy vehicle launcher and toy vehicle for use therewith
11. 4081145 - Food cutting machine