Robert K. Detjen

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Eau Claire, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Log handling method and apparatus
- Patent number 4,338,986
- Issue date Jul 13, 1982
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Sawmill log handling method
- Patent number 4,250,937
- Issue date Feb 17, 1981
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Log handling method and apparatus
- Patent number 4,206,673
- Issue date Jun 10, 1980
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Sawmill apparatus
- Patent number 4,152,960
- Issue date May 8, 1979
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Log handling method and apparatus
- Patent number 4,146,072
- Issue date Mar 27, 1979
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Sawmill log-handling system
- Patent number 4,009,632
- Issue date Mar 1, 1977
- McDonough Manufacturing Company
- Robert K. Detjen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...