David Arthur Headrick

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North York, CA

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Patents Grantslast 30 patents

Information Patent Grant
Automatic spent magazine ejection and control group
- Patent number 10,955,208
- Issue date Mar 23, 2021
- 9579087 CANADA INC.
- David Arthur Headrick
- F41 - WEAPONS
Information Patent Grant
Automatic spent magazine ejection and control group
- Patent number 10,508,874
- Issue date Dec 17, 2019
- 9579087 Canada Inc.
- David Arthur Headrick
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC SPENT MAGAZINE EJECTION & CONTROL GROUP
- Publication number 20200080805
- Publication date Mar 12, 2020
- 95790087 Canada Inc.
- David Arthur Headrick
- F41 - WEAPONS
Information Patent Application
AUTOMATIC SPENT MAGAZINE EJECTION & CONTROL GROUP
- Publication number 20200080806
- Publication date Mar 12, 2020
- 95790087 Canada Inc.
- David Arthur Headrick
- F41 - WEAPONS
Information Patent Application
AUTOMATIC SPENT MAGAZINE EJECTION & CONTROL GROUP
- Publication number 20180149438
- Publication date May 31, 2018
- 95790087 Canada Inc.
- David Arthur Headrick
- F41 - WEAPONS