Q. In marketing labeling, like a product box, what it the proper way to cite multiple patent numbers?
Hello Debbie, I am including two examples for your information. Let me know if you have any questions.
Institute of Electrical and Electronics Engineers
IEEE Citation Style Guide
E.E. Rebecca. “Alternating current fed power supply.” U.S. Patent 7 897 777, Nov. 3, 1987
Borwin, G. F. (1998). U.S. Patent No. 178,323. Washington, DC: U.S. Patent and Trademark