Membership
Tour
Register
Log in
Robert DeFrance
Follow
Person
Poughkeepsie, NY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Split open dead end
Patent number
6,173,103
Issue date
Jan 9, 2001
Maclean Power Systems
Robert DeFrance
G02 - OPTICS