Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7621232 | Removable base for a bird feeder | — | 2009-11-24 |
| 6539892 | Guard for bird feeders | — | 2003-04-01 |
| 6453843 | Wire mesh tubular feeder | — | 2002-09-24 |
| D407863 | Hopper-type bird feeder | Manuel A. Leal | 1999-04-06 |
| D382376 | Hummingbird feeder | — | 1997-08-12 |
| D367134 | Bird feeder | — | 1996-02-13 |
| 5452682 | Bird feeder | Barry D. Colvin | 1995-09-26 |
| 5215039 | Bird feeder having a non-rotatable perch with protective sleeves | — | 1993-06-01 |
| D330097 | Hummingbird feeder | Barry D. Colvin | 1992-10-06 |
| 5062390 | Bird feeder | Barry D. Colvin | 1991-11-05 |
| 4973170 | Window thermometer | Barry D. Colvin | 1990-11-27 |
| D308173 | Window thermometer | Barry D. Colvin | 1990-05-29 |
| D277514 | Suet feeder | — | 1985-02-05 |
| D266705 | Bird feeder | — | 1982-10-26 |
| 4318364 | Bird feeding device | — | 1982-03-09 |
| 4261294 | Bird feeder | — | 1981-04-14 |