| |
| Patents | Patents 1 - 1 on patent:1718167. (0.01 seconds) |
US Pat. 1718167 - Filed Jan 25, 1928 - ... rigidity of the beam, flexible brace elements 33 are connected with each two adjacent transverse members 19. A sleeve or bearing 34 has its ends fixed 5 ...
|
Stay up to date on these results using