Null Defense LLC

Company

We build systems that control what adversaries cannot do.

Create the gap. Control the rhythm. End the fight.

About

Null is a Michigan-based defense technology company founded on a single engineering thesis: precision constraints outperform brute force. Our systems are designed around negative permission architecture — defining with certainty what cannot happen, rather than attempting to predict every possible threat response.

AAOD is the first system in the Null portfolio. It will not be the last.

We are a small company with a focused mission and an unconventional approach. We engage selectively with government program offices, prime contractors, and SBIR programs where our technology creates genuine operational advantage.

Founder

Paul Keller

Founder & Inventor · Null Defense LLC

Michigan, USA

Intellectual Property

Two provisional patent applications on file with the USPTO. Non-provisional filing targeted Q1 2027. Foreign filing opted out — defense sensitive.

64/001,425 · 64/014,402

Engagement

Available for DoD program office briefings, prime contractor partnership discussions, and SBIR Phase I collaboration. Technical briefings conducted under NDA.