To apply for a patent, you must file an application and pay required fees. Patent Center Overview provides details on how to file an application in Patent Center.Quick Clinic Video Series. Paper Shopping Bags. Patents are fairly easy to apply for. American inventor, Francis Wolle, received credit for his patent of the first paper bag machine in 1852. A paper bag is a bag made of paper, usually kraft paper. Paper bags can be made either with virgin or recycled fibres to meet customers' demands. Merges, The Paper Patent Doctrine in the Nineteenth Century (2013) (on file with the author). Breath in and out until breathing becomes normal again.