| Patents for Letson & Burpee, Ltd. |
Patents 46 -
50
of 50
      |
| Number | Date | Patentee | Title | Type |
| BR-7,407,542 | Jul. 06, 1976 | F.E. Allen, A.W. Porter | Saw blade cylindrical tension monitor | band sawmills |
| CA-994,215 | Aug. 03, 1976 | R.A. Baldrey, F.E. Allen | Air strain mechanism for bandmill | band sawmills |
| CA-1,003,308 | Jan. 11, 1977 | A.W. Porter, F.E. Allen | Automatic roll tensioning method and apparatus | band sawmills |
| AU-8,732,675 | Jan. 25, 1979 | F.E. Allen, A.W. Porter | Automatic roll tensioning method and apparatus | band sawmills |
| CA-1,049,377 | Feb. 27, 1979 | J.D. McGuire, F.E. Allen | Bandmill strain mechanism | band sawmills |
