Hans J. Wowczyk

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Thousand Oaks, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for cutting aligned notches in parallel wooden frame members
- Patent number 3,952,400
- Issue date Apr 27, 1976
- Hans J. Wowczyk
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Apparatus for cutting aligned notches in parallel wooden frame members
- Patent number 3,943,985
- Issue date Mar 16, 1976
- Hans J. Wowczyk
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...