Don Wetzel

Directed the engineering program that produced a commercially viable, electromechanical cash dispenser adopted by U.S. banks in the late 1960s. The project delivered field-hardened hardware, cassette-based cash handling, reliable note recognition and an operator service model suitable for branch and off-branch deployment. Those engineering choices addressed early reliability and maintainability problems and set expectations for ATM uptime and service processes. The delivered systems incorporated data recording and transaction logging methods that became reference implementations for later electronic authorization and reconciliation workflows. Installation of Docutel machines for major banks demonstrated bank operations for cash loading, fault handling and integration with branch accounting, accelerating bank procurement of ATM fleets. By producing scalable, maintainable devices and documenting operational procedures, the program influenced vendor requirements, procurement specifications and the early economic case for bank investment in ATM networks across North America.