AH

Andrew H. Hilliard

SM Safety Maker: 3 patents #2 of 3Top 70%
Overall (All Time): #1,456,255 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10767386 Washer assembly for use in affixing a guardrail support to a surface Rainer Kuenzel 2020-09-08
9598870 Apparatus for forming temporary guardrails on stairs Miguel Gutierrez 2017-03-21
9493959 Apparatus for forming temporary guardrail on stairs Miguel Gutierrez 2016-11-15