Cort Wetherald

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Non-semiautomatic weapon and semiautomatic to non-semiautomatic con...
- Patent number 11,137,223
- Issue date Oct 5, 2021
- Richard Bert Christiansen
- F41 - WEAPONS
Information Patent Grant
Methods and systems for concealing light
- Patent number 9,791,242
- Issue date Oct 17, 2017
- Richard Bert Christiansen
- F41 - WEAPONS
Information Patent Grant
Devices for eliminating position disclosing light emitted by a laser
- Patent number 9,714,812
- Issue date Jul 25, 2017
- Richard Bert Christiansen
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
NON-SEMIAUTOMATIC WEAPON AND SEMIAUTOMATIC TO NON-SEMIAUTOMATIC CON...
- Publication number 20190128627
- Publication date May 2, 2019
- Richard Bert Christiansen
- F41 - WEAPONS
Information Patent Application
Methods and Systems for Concealing Light
- Publication number 20160054099
- Publication date Feb 25, 2016
- Richard Bertrand Christiansen
- G02 - OPTICS
Information Patent Application
Methods and Systems for Concealing Light
- Publication number 20160054556
- Publication date Feb 25, 2016
- Richard B. Christiansen
- G02 - OPTICS