John J. Howland — 2 Patents | Patent Leaderboard

John J. Howland has been granted 2 US patents. All of these patents were granted in 1991. John J. Howland ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John J. Howland in Auburn, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5048643	Hydraulic lift piston skirt	Timothy Trapasso	1991-09-17
5011292	Liquid pumping, mixing and dispensing apparatus	Timothy Trapasso	1991-04-30