Last year I interviewed professional patent searcher Martin E. Keller after he sent me his 2011 patent calendar. Each month on the calendar is accompanied by a drawing of a funny device described in a US patent. This year I received a PDF version of the calendar which I share with you here. It is […]
Recently I received a calendar from professional patent searcher Martin Keller. On each month of the calendar is a patent drawing that is very unique. So I contacted him because I wanted to thank him for sending me the calendar and see if he would answer a couple questions about preliminary “prior art” patentability searches. Well […]