Inventor · disambiguated record

David M. Marchand

Also filed as: MARCHAND DAVID M

3 granted patents·1 pending application·8 citations·filing 19922005

60Inventor score
Technology areasC07CC07FG01N
Files withETHYL CORP2AFTON CHEMICAL CORP1MARCHAND DAVID M1

Top patents by PatentIndex Score

4 records

Join the waitlist — get patent alerts

Get an alert when David M. Marchand files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →