sentences:  In 1860 he built and patented the first successful "broad case seeder" ever put on the market.In 1861, he built a combination seeder-cultivator with a "Slip Tooth" to prevent breakage when hitting rocks while cultivating, which he patented; this was to guarantee his success.He incorporated the company in 1888 with $100,000 in capital stock, of which $40,000 in cash was contributed by JS Rowell and the remaining $60,000, shown on the previous company's books at cost or good will, were contributed by the owners via the assets from the previous unincorporated JS Rowell Manufacturing Company, although the assets had a market value of nearly twice that amount.