Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699783 | Wire sawing method of reinforced concrete structure and guide pulley apparatus | — | 1997-12-23 |
| 5329562 | Method of cutting and removing nuclear reactor | Edward P. Johnston | 1994-07-12 |
| 5299552 | Method and apparatus for cutting circular opening in structure | — | 1994-04-05 |
| 4893607 | Wire drive apparatus for wire saw | — | 1990-01-16 |
| 4821703 | Opening method for reinforced concrete wall | — | 1989-04-18 |
| 4787363 | Wire sawing method for reinforced concrete structures | — | 1988-11-29 |
| 4765307 | Guide pulley base for wire saw | — | 1988-08-23 |
| 4735188 | Wire saw drive apparatus | — | 1988-04-05 |