Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213385 | Method of cladding tubing and manufacturing condensor cores | Henry McCarbery | 2001-04-10 |
| 6192978 | Micro-multiport (MMP) tubing with improved metallurgical strength and method for making said tubing | Frank F. Kraft, Henry McCarbery | 2001-02-27 |
| 5943772 | Method of cladding tubing and manufacturing condensor cores | Henry McCarbery | 1999-08-31 |
| 5180447 | Grain refiner for aluminum containing silicon | Geoffrey K. Sigworth | 1993-01-19 |
| 5055256 | Grain refiner for aluminum containing silicon | Geoffrey K. Sigworth | 1991-10-08 |
| 4612073 | Aluminum grain refiner containing duplex crystals | David A. Sentner, Geoffrey K. Sigworth | 1986-09-16 |
| 4266973 | Tarnish-resistant gold color alloy and dental restorations employing same | Stephen P. Schaffer, David C. Wright | 1981-05-12 |