One of the most prolific patent filers in the United States has historically been IBM. This weeks Patent Puzzler is what year did IBM get its first patent? The subject matter for the IBM patent relates to punch cards. What year did the first United States Patent get issued? 1911, 1923, 1925 or 1929?

Remember……the puzzles are meant to be fun and informative….not easy. We will give the answer in the next blog post on Monday. The answer will surprise you….even if consider yourself an expert on puzzles, patents or general knowledge.