When the windowed envelope was invented by Americus F. Callahan in 1901 and patented 1902, envelopes became a real problem. Fortunately, one Julius Regenstein of the Transo Envelope Company would ...
"Even if you put this envelope in your recycling bin like a good citizen … it cannot be recycled because of that plastic window," Jo says in her video. However, it should be noted that The Cool ...