| 1927 EMIL OCHSNER Poultry Feeder Patent Print |
| 1927 PRATT LEWIS Poultry Feeder Patent Print Art |
| 1927 LANTZ ALPHA Poultry Waterer Patent Print |
| 1927 KUMMETH FRANK Poultry Perch Patent Print |
| 1927 STACY Poultry Fence Attachment Patent Print |
| 1927 JOHNSON Feed Trough For Poultry Cars Patent |
| 1927 PETER Cot For Poultry Cars Patent Print Art |
| 1927 HARM AHLRICHS Poultry Feeder Patent Print |
| 1927 JOHNSON WALDO Poultry Car Patent Print Art |
| 1927 BOUMA BENJAMIN Poultry Roost Patent Print |
| 1927 HOEFT Trap Nest Door For Poultry Patent |
| 1927 MOELLRING Poultry Feed Trough Patent Print |
| 1927 BINDEMANN Poultry Fountain Patent Print Art |
| 1927 JEFFERSON JEROME Poultry Catcher Patent |
| 1927 WILLIAM JEVONS Poultry Fountain Patent |
| 1927 HOFFMAN MILTON Poultry Nest Patent Print |
| 1927 GLYNN JOSEPH Poultry Roost Patent Print Art |
| 1927 PETER BAAR Poultry Perch Patent Print Art |
| 1927 EDWARD SEIKMAN Poultry Feeder Patent Print |
| 1927 JOHNSON Poultry Car Construction Patent |
| 1927 MILLER GEORGE Poultry Roost Patent Print |
| 1927 MOYERS GEORGE Poultry Feeder Patent Print |
| 1927 LESLIE HELMAN Poultry Waterer Patent Print |
| 1927 CLARENCE SCHWAN Poultry Roost Patent Print |