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  This is a wooden forerunner of the pin-tumbler lock. It was found in an ancient Egyptian palace's ruins.
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  This was the first lock that was created to improve the security of homes and businesses.It was made by Robert Barron of England.
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  This lock was a supposedly unpick-able, and it was made by Joseph Brahma who went on to invent many other famous items.
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  This lock by James Sargent was favored by the United States Treasury Department.
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  This lock was created by a former New York City policeman who wanted to decrease the robbery rates.
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  The Master Lock company was founded by Harry Soref.