Utility Patent D14674%3Edesign%20patent%2014674%3C/a%3E%20dated%20February%2012%201884)%20and%20ended%20between%201890%20and%201897.%20The%20consensus%20amongst%20Brookfield%20experts%20including%20N.%20R.%20Woodward%20is%20that%20the%201870%20patent%20dated%20pieces%20(%3Ca%20href= was not found...