John Burr Lawn Mower - Disadvantages Of Crime Stopperscareer Search Result John albert burr, an african american inventor, patented the rotary blade lawn mower in 1899. His design improved upon existing lawn mowers by incorporating a rotary. Discover the fascinating story of john a. Burr and his pivotal role in lawn mower innovation. While he didn't invent the lawn mower, his groundbreaking 1899 patent for the.
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