BG

Brett J. Grandchamp

FS Federal Signal: 4 patents #72 of 717Top 15%
SP Spx: 2 patents #142 of 468Top 35%
📍 South Portland, ME: #15 of 82 inventorsTop 20%
🗺 Maine: #681 of 4,281 inventorsTop 20%
Overall (All Time): #878,369 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6710813 Multiplexer for adjacent NTSC and DTV channels William A. DeCormier 2004-03-23
6704285 Signal multiplexer and method William A. DeCormier 2004-03-09
6580729 Signal multiplexer and method William A. DeCormier 2003-06-17
6359530 Switching waveguide directional coupler and method 2002-03-19
5455548 Broadband rigid coaxial transmission line Cole N. Plummer, Richard I. Bibber, Charles D. Brown 1995-10-03
5401173 Coaxial connector accommodating differential expansion Cole N. Plummer, Richard I. Bibber, Charles D. Brown 1995-03-28