Dan Schumann

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Middleton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for producing a DOPE chart
- Patent number 12,181,250
- Issue date Dec 31, 2024
- Sheltered Wings, Inc.
- David M. Hamilton
- F41 - WEAPONS
Information Patent Grant
System and method for producing a DOPE chart
- Patent number 10,900,748
- Issue date Jan 26, 2021
- Sheltered Wings, Inc.
- David M. Hamilton
- F41 - WEAPONS
Information Patent Grant
System and method for producing a DOPE chart
- Patent number 9,696,116
- Issue date Jul 4, 2017
- Sheltered Wings, Inc.
- David M. Hamilton
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PRODUCING A DOPE CHART
- Publication number 20250130019
- Publication date Apr 24, 2025
- Sheltered Wings, Inc. d/b/a Vortex Optics
- David M. Hamilton
- F41 - WEAPONS
Information Patent Application
SYSTEM AND METHOD FOR PRODUCING A DOPE CHART
- Publication number 20210172706
- Publication date Jun 10, 2021
- Sheltered Wings, Inc. d/b/a Vortex Optics
- David M. Hamilton
- F41 - WEAPONS
Information Patent Application
System and Method for Producing a Dope Chart
- Publication number 20170299334
- Publication date Oct 19, 2017
- Sheltered Wings, Inc. d/b/a Vortex Optics
- David M. Hamilton
- F41 - WEAPONS
Information Patent Application
SYSTEM AND METHOD FOR PRODUCING A DOPE CHART
- Publication number 20150316353
- Publication date Nov 5, 2015
- SHELTERED WINGS, INC.
- David M. Hamilton
- F41 - WEAPONS