Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381489 | Method for cutting roofing shingles | Olan Leitch | 2013-02-26 |
| 8197893 | Colored metal flake surfaced roofing materials | Olan Leitch, Matti Kiik | 2012-06-12 |
| 7861631 | System and method for cutting roofing shingles | Olan Leitch | 2011-01-04 |
| 6530189 | Aesthetic, self-aligning shingle for hip, ridge, or rake portion of a roof | Willard C. Hudson, Jr., Clark Daniel Maytubby, Larry Scott Reed, Frank Clydean Richey, Younger Ahluwalia | 2003-03-11 |
| 6418692 | Aesthetic, self-aligning shingle for hip, ridge, or rake portion of a roof | Willard C. Hudson, Jr., Clark Daniel Maytubby, Larry Scott Reed, Frank Clydean Richey, Younger Ahluwalia | 2002-07-16 |
| 6289648 | Laminated roofing shingle | Willard C. Hudson, Jr., Clark Daniel Maytubby, Larry Scott Reed, Frank Clydean Richey, Michael Allen McLintock | 2001-09-18 |
| 4559267 | Stick-down system for roofing | Alfred B. Malmquist | 1985-12-17 |