Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7959058 | Hybrid composite welded joint | Roger M. Crane, Harry E. Prince, Timothy L. Dapp, George C. Tunis, III | 2011-06-14 |
| 6543273 | Efficient use of metallic materials for dynamic tear testing | Michael E. Wells, Roy Lindauer, Ralph W. Judy, Jr. | 2003-04-08 |
| 5383366 | Ultrasonic two probe system for locating and sizing | Errol E. Wallingford | 1995-01-24 |
| 5311126 | Magnetic field strength threshold indicator for use in a magnetic particle inspection device | John Mittleman, Lawrence M. Brown | 1994-05-10 |
| 4975558 | System for control of weld arc development | William E. Lukens, Charles A. Zanis | 1990-12-04 |
| 4866236 | Flexible extendable backing shield for welding reactive metals | William E. Lukens, Luther A. Marsh | 1989-09-12 |
| 4599505 | Flexible trailing shield for welding reactive metals | William E. Lukens | 1986-07-08 |