US Design Patent 30,105

by David Shields. Average Reading Time: less than a minute.

Patent application showing technical drawing of hot-water heater. Images in black on cream background.

“Design for a section for hot-water heaters.” US Design patent awarded to William H. Page and assigned to the Magee Furnace Company on January 31, 1899 (filed June 17, 1897) for the term of 14 years.