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The ATM Machine of Don Wetzel

Don Wetzel

By , About.com Guide

ATM card showing magnetic strip

ATM card showing magnetic strip

Getty Images/Photodisc
As is often the case with inventions, many inventors contribute to the history of an invention, as is the case with the ATM. Read each page of this article to learn about the many inventors behind the automatic teller machine or ATM.

Don Wetzel - Waiting In Line

Don Wetzel was the co-patentee and chief conceptualist of an automated teller machine, an idea he said he thought of while waiting in line at a Dallas bank. At the time (1968) Don Wetzel was the Vice President of Product Planning at Docutel, the company that developed automated baggage-handling equipment.

The other two inventors listed on the Don Wetzel patent were Tom Barnes, the chief mechanical engineer and George Chastain, the electrical engineer. It took five million dollars to develop the ATM. The concept first began in 1968, a working prototype came about in 1969 and Docutel was issued a patent in 1973. The first Don Wetzel ATM was installed in a New York based Chemical Bank.

Editor's note: There are different claims to which bank had the first Don Wetzel ATM, I have used Don Wetzel's own reference.

Don Wetzel Discusses His ATM Machine

Don Wetzel on the first ATM installed at the Rockville Center, New York Chemical Bank from a NMAH interview.

"No, it wasn't in a lobby, it was actually in the wall of the bank, out on the street. They put a canopy over it to protect it from the rain and the weather of all sorts. Unfortunately they put the canopy too high and the rain came under it. One time we had water in the machine and we had to do some extensive repairs. It was a walkup on the outside of the bank.

That was the first one. And it was a cash dispenser only, not a full ATM... We had a cash dispenser, and then the next version was going to be the total teller (created in 1971), which is the ATM we all know today -- takes deposits, transfers money from checking to savings, savings to checking, cash advances to your credit card, takes payments; things like that. So they didn't want just a cash dispenser alone."

ATM Cards

The first ATMs were off-line machines, meaning money was not automatically withdrawn from an account. The bank accounts were not (at that time) connected by a computer network to the ATM.

Banks were at first very exclusive about who they gave ATM privileges to. Giving them only to credit card holders (credit cards were used before ATM cards) with good banking records.

Don Wetzel, Tom Barnes and George Chastain developed the ATM cards, cards with a magnetic strip and a personal ID number to get cash. ATM cards had to be different from credit cards (then without magnetic strips) so account information could be included.

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