Every manufacturer or dealer shall keep a register of all machine guns manufactured or handled by him. This register shall show the model and serial number, date of manufacture, sale, loan, gift, delivery or receipt of every machine gun, the name, address, and occupation of the person to whom the machine gun was sold, loaned, given or delivered, or from whom it was received. Upon demand every manufacturer or dealer shall permit any marshal, sheriff or police officer to inspect his entire stock of machine guns, parts, and supplies therefor, and shall produce the register, herein required, for inspection. A violation of any provisions of this section shall be punishable as a Class 3 misdemeanor.