Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564798 | Battery performance control | — | 1986-01-14 |
| 4509503 | Solar heating system | — | 1985-04-09 |
| D273612 | Neonatal hood | Wallace E. Trammell, James R. Chidester, Ralph S. Walker | 1984-04-24 |
| 4407280 | Disposable hood | W. Edgar Trammell, James R. Chidester, Ralph S. Walker | 1983-10-04 |
| 4337770 | Flow regulating device for arterial catheter systems | Ralph S. Walker, James R. Chidester | 1982-07-06 |
| 4303194 | Smoke prevention apparatus | Fritz Kengle | 1981-12-01 |
| 4297897 | Field replaceable electrode assembly for magnetic flowmeter | — | 1981-11-03 |
| 4279166 | Field replaceable electrode assembly for magnetic flowmeter | Felix J. Gryn | 1981-07-21 |
| 4278083 | Flow regulating device for arterial catheter systems | Ralph S. Walker, James R. Chidester | 1981-07-14 |
| 4239405 | Form aligning knob | Arthur C. Van Horne | 1980-12-16 |
| 4192303 | Flow regulating device for arterial catheter systems | Ralph S. Walker | 1980-03-11 |