Patents & Patents Pending

Big Dipper® Thermaco, Inc. Patents

7,153,439

7,134,152

7,060,179

6,878,270

6,800,195

6,491,830

6,413,435

5,934,309

5,543,064

5,492,619

5,360,555

5,271,853

5,133,881

4,983,284

4,235,726