David Paton, an eleven-year veteran of the global tobacco company, will advise Philter Labs on strategy and product positioning San Diego, CA – September 22, 2022 – Philter Labs, Inc., a technology company pioneering new, micro-filtration technology to tackle the multi decade-long issue of secondhand smoke, has brought David Paton onto their Scientific and Strategic Advisory Board. David, who is based in the UK, worked in various senior roles at British…