Chevy Chase, Maryland
United States
2
2021-01-28
The entities that hold a legal rights for patent applications filed by inventor Cox David C.:
David C. Cox from Chevy Chase, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing a purple complex for the presence of lead using sodium rhodizonate without use of strong acid
#2 | 2014-01-02Method for controlling the sensitivity and response point of chemical test kits for metals in paint and other media
596526 ⎘