on masts

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Patents Grantslast 30 patents

Information Patent Grant
Mast ladder assembly
- Patent number 6,076,634
- Issue date Jun 20, 2000
- Steve J. Simon
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Sailboat mast ladder
- Patent number 4,577,726
- Issue date Mar 25, 1986
- Gary Wheeler
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Detachable nestable mast steps
- Patent number 4,382,416
- Issue date May 10, 1983
- Ogden Kellogg-Smith
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Folding mast ladder
- Patent number 4,258,828
- Issue date Mar 31, 1981
- Ronald K. Evans
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Flexible stile or rope ladder for climbing poles or like members
- Patent number 4,139,079
- Issue date Feb 13, 1979
- Trevor Clark
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Removable step climbing assembly
- Patent number 3,930,562
- Issue date Jan 6, 1976
- Michael W. Zorn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
3757896
- Patent number 3,757,896
- Issue date Sep 11, 1973
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT