EXHIBIT 10.2 AGREEMENT AND ASSIGNMENT OF ROYALTY INTEREST This Agreement and Assignment of Royalty Interest (this "Agreement and Assignment") is entered into as of the 3rd day of February, 1998, by and between Jimmy R. Cole, Jr. ("Cole") and 5404339...Agreement and Assignment of Royalty Interest • February 6th, 1998 • Oyo Geospace Corp • Measuring & controlling devices, nec
