Other

Daniel Nicholas Peknik

Michael J Hill

Bryan Ulrich McClain

Demetrius Madrigal

An example embodiment of a sound suppressor includes a shroud tube slidably and rotationally coupled to a vent tube. The vent tube is formed with a plurality of vent tube apertures in fluid communication with a bore extending from a first end to a second end of the vent tube. The shroud tube is formed with a plurality of shroud apertures in fluid communication with an interior void formed in the shroud tube. A rear cap attached to the vent tube is configured for attachment to the muzzle of a firearm. An indexing mechanism is configured for selectively holding the vent tube and shroud tube in an open-vent configuration with the apertures on both tubes overlapping one another, or in a closed-vent configuration with the apertures not overlapping. Sound suppression is enabled in the closed-vent configuration and minimized in the open-vent configuration.

Suppressor with selectable venting

An apparatus embodiment includes a security module having a guard frame, a dome slidably engaged with the guard frame, and an alarm system inside the dome. The alarm system includes a controller and a radio frequency transceiver. The security module further includes a suction cup coupled to the dome, a valve in fluid communication with the suction cup and electrically connected to the controller, and a suction cup in fluid communication with the valve. An embodiment may further include a client application including software instructions for arming the alarm system, disarming the alarm system, and opening the valve. The security module may autonomously seek and/or link with another security module, thereby forming an ad hoc communications network to protect an object tethered to the security module by a wireless communications link and/or a security cable.

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Fort Bragg, CA, United States of America

Daniel Nicholas Peknik