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Sidney Hirschkoff
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Los Angeles, CA, US
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last 30 patents
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Patent Grant
Chain saw handle and vibration isolation system
Patent number
4,141,143
Issue date
Feb 27, 1979
McCulloch Corporation
Sidney Hirschkoff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Full position safety brake for portable chain saw
Patent number
4,059,895
Issue date
Nov 29, 1977
McCulloch Corporation
Sidney Hirschkoff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Snap-acting over-center chain saw safety brake and method of operat...
Patent number
4,026,392
Issue date
May 31, 1977
McCulloch Corporation
Sidney Hirschkoff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Safety braking mechanism for a portable chain saw
Patent number
3,964,333
Issue date
Jun 22, 1976
McCulloch Corporation
Sidney Hirschkoff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Snap-acting over-center chain saw safety brake and method of operat...
Patent number
3,934,345
Issue date
Jan 27, 1976
McCulloch Corporation
Sidney Hirschkoff
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...