Patent Assignment
Reel/Frame 052903/0401
Assignment of Assignor's Interest
Recorded: 2020-06-11
Pages: 5
Assignor
MESHER, DAREL
Executed: 2020-06-09
Assignee
TETRA TECH, INC.
3475 E FOOTHILL BLVD, PASADENA, CALIFORNIA, 91107-6024
Covered Property
(1)
Apparatus and Method for Calculating Plate Cut and Rail Seat Abrasion Based on Measurements Only of Rail Head Elevation and Crosstie Surface Elevation