FR

Frank Romanowski

DA Degussa Ag: 1 patents #925 of 2,007Top 50%
📍 Easthampton, MA: #14 of 40 inventorsTop 35%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,266,475 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5847157 Method of producing (+) 2-azabicyclo{2.2.1}hept-5-en-3-one Kurt Vroman, Rudolf Vanheertum 1998-12-08
D278202 Pail opener — 1985-04-02