Mark D. Ecklund

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Schofield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Compression spring powered, rigid limb bow
- Patent number 6,698,413
- Issue date Mar 2, 2004
- Mark D. Ecklund
- F41 - WEAPONS
Information Patent Grant
Tamper resistant faucet handle
- Patent number 5,971,354
- Issue date Oct 26, 1999
- Mark D. Ecklund
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...