Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979462 | Systems and methods for indicating the location of various structural members in concrete members | Donald R. Kramer | 1990-12-25 |
| 4922680 | Systems and methods for connecting masonry veneer to structural support substrates | Donald R. Kramer | 1990-05-08 |