Patent Earth

This unique t-shirt features Exhaust Fan schematics from a genuine vintage U.S. Patent filed in 1897! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

Set of 8 wall art prints featuring HVAC schematics from genuine vintage U.S. Patent filings! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

Set of 6 wall art prints featuring HVAC schematics from genuine vintage U.S. Patent filings! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

Set of 4 wall art prints featuring HVAC schematics from genuine vintage U.S. Patent filings! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

Set of 3 wall art prints featuring HVAC schematics from genuine vintage U.S. Patent filings! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

Set of 2 wall art prints featuring HVAC schematics from genuine vintage U.S. Patent filings! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

This unique wall art features Air Duct schematics from a genuine vintage U.S. Patent filed in 1940! Patent prints are a tasteful and inspiring way to show off your interests and celebrate your...

This unique wall art features Hot Air Furnace schematics from a genuine vintage U.S. Patent filed in 1941! Patent prints are a tasteful and inspiring way to show off your interests and celebrate...

This unique wall art features Air Conditioning schematics from a genuine vintage U.S. Patent filed in 1940! Patent prints are a tasteful and inspiring way to show off your interests and celebrate...

This unique wall art features Window AC Unit schematics from a genuine vintage U.S. Patent filed in 1954! Patent prints are a tasteful and inspiring way to show off your interests and celebrate...

This unique wall art features Roof Ventilator schematics from a genuine vintage U.S. Patent filed in 1963! Patent prints are a tasteful and inspiring way to show off your interests and celebrate...

This unique wall art features Ceiling Air Vent schematics from a genuine vintage U.S. Patent filed in 1982! Patent prints are a tasteful and inspiring way to show off your interests and celebrate...