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Knucklehead Garage inventions

i have a protection device that if you use it with a Iphone or any cell phone you can increase the iphone or phone life by 95% saving $$$$$$

  • Stage Prototype Ready
  • Industry Other
  • Location San Francisco, CA, USA
  • Currency USD
  • Founded January 1999
  • Employees 4
  • Website

Company Summary

i have a 3 different companies