| 5762069 |
Multiple sample biopsy forceps |
Brian S. Kelleher, Dan Vance |
1998-06-09 |
| 5144675 |
Variable recovery time circuit for use with wide dynamic range automatic gain control for hearing aid |
Mead C. Killion, Harry Teder, Steven P. Hanke |
1992-09-01 |
| 4869229 |
Burner unit |
— |
1989-09-26 |
| RE32722 |
Ventilation system with thermal energy recovery |
— |
1988-08-02 |
| 4740158 |
Radiant energy drying oven with fume incineration feature |
— |
1988-04-26 |
| 4731015 |
Burner unit |
— |
1988-03-15 |
| 4727854 |
High efficiency infrared radiant energy heating system and reflector therefor |
— |
1988-03-01 |
| 4716883 |
High efficiency infrared radiant energy heating system and method of operation thereof |
— |
1988-01-05 |
| 4712734 |
Low-intensity infrared heating system with effluent recirculation |
— |
1987-12-15 |
| 4699316 |
Energy efficient heating system for greenhouses |
— |
1987-10-13 |
| 4676434 |
Energy efficient heating system for greenhouses |
— |
1987-06-30 |
| 4529123 |
Radiant heater system |
— |
1985-07-16 |
| 4396406 |
Unitary matrix, valve and fan housing for energy recovery |
— |
1983-08-02 |
| 4322229 |
Unitary matrix, valve and fan housing for energy recovery |
— |
1982-03-30 |