The Beehive & Bee Equipment Patent Archive

The patented pursuit of the perfect hive

Patented March 28, 1893

If an object in your hands says PAT. MARCH 28, 1893, it may be one of these.

PatentTitleInventorOf
US 494,421CENTRIFUGAL HONEY-EXTRACTOR.Oscar Melvan HillSanta Paula, California

All dates