JG

Jean Grabowski

HU Hutchinson: 4 patents #62 of 442Top 15%
📍 Langres, FR: #6 of 68 inventorsTop 9%
Overall (All Time): #1,302,927 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4848801 By-pass connections obtained by molding a coating of a junction material around a rigid tubular insert more particularly and a process for manufacturing same 1989-07-18
4824148 Device for sealingly fixing a tube or pipe to an end coupling 1989-04-25
4740017 By-pass connections obtained by molding a coating of a junction material around a rigid tubular insert and a process for manufacturing same 1988-04-26
4650220 Bypass connections obtained by molding a coating of a junction material around a rigid tubular insert and a process for manufacturing same 1987-03-17