6 patents
Design
Lock out box
5 Jul 22
Andrew N. Enger, Thomas K. Campbell
Filed: 16 May 19
Design
Lockout device
2 Nov 21
Andrew N. Enger, Sohail Anwar
Filed: 17 Jan 18
Design
Sorbent consumable base
16 Nov 20
Andrew N. Enger, Ryan J. Maloney
Filed: 29 Nov 18
Design
Lock out box
28 Sep 20
Andrew N. Enger, Gene Gladkov, Noel Motzing
Filed: 17 Jun 18
Design
Speed bump
17 Aug 20
Edward Barnes, Paul Ingleby
Filed: 3 May 18
Design
Speed bumps
17 Aug 20
Edward Barnes, Paul Ingleby
Filed: 3 May 18
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Patents are sorted by USPTO publication date, most recent first