How TRICKY.. This is like when you used to buy a house for $1 from a family member..
Tesla likely acquired Canadian startup Springpower, TechCrunch reports 09:45 TSLA Tesla purchased a number of patent applications from Springpower International, a small Canadian company, for a total of $3 two weeks before its Battery Day, TechCrunch reports, citing public records. It now seems likely Springpower International has been acquired by Tesla, Mark Harris of the website reports, citing LinkedIn profiles. Springpower's patented process recirculates the chemical solution for electric vehicle batteries, removing the need for expensive water treatment, Harris points out.