Material witness: patent pending.
Ball
Philip
P
D004282:Documentation; D005060:Europe; D033161:Government Regulation; D007391:International Cooperation / Q000331:legislation & jurisprudence*; D007564:Japan; D010067:Ownership / Q000191:economics* / Q000331:legislation & jurisprudence*; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D014481:United States