Leonard Smith — 2 Patents at Deritend Engineering Limited

Leonard Smith has been granted 2 US patents while listed as an inventor at Deritend Engineering Limited. The first was granted in 1989 and the most recent in July 1991. Leonard Smith ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Leonard Smith in Annandale, VA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5027633	Box makers forms	—	1991-07-02
4879543	Automobile door guard	—	1989-11-07

Leonard Smith — 2 Patents

Issued Patents All Time

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