FB

Frank J. Birch

MI Mueller International: 3 patents #85 of 196Top 45%
GR Grinnell: 1 patents #16 of 27Top 60%
📍 Central Falls, RI: #37 of 197 inventorsTop 20%
🗺 Rhode Island: #1,504 of 6,211 inventorsTop 25%
Overall (All Time): #1,206,524 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9447900 Non-conductive roller assembly Carlos Costa, Gary P. Szechy 2016-09-20
8646732 Mechanical elbow clamp 2014-02-11
8313065 Alloy insert clamp 2012-11-20
5944288 Constant support pipe hanger Norman Whitney 1999-08-31