ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,421, issued on April 21, was assigned to CABLE ARM INC. (Trenton, Mich.).
"Level cut clamshell bucket assembly" was invented by Raymond E. Bergeron (Trenton, Mich.) and Joseph M. Tedder Jr. (Allen Park, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clamshell bucket assembly including first and second pivotally connected steel bucket halves rotating between open and closed positions and including sediment retention bars secured between the overlapping sides define a scoop for permitting outflow of water while retaining a volume of a dredged material. Weld rivets provide reinforced securing of the side and bottom steel portions of each bucke...