John A. Bonnard — 5 Patents at Leco

John A. Bonnard has been granted 5 US patents while listed as an inventor at Leco. The first was granted in 1986 and the most recent in September 2012. John A. Bonnard ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John A. Bonnard in Johannesburg, ZA.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
8272779	Calorimeter	—	2012-09-25
7252802	Apparatus and method for igniting sample in calorimeters	—	2007-08-07
4927270	Method of and apparatus for determining melting points	—	1990-05-22
4925315	Calorimetric apparatus	—	1990-05-15
4616938	Apparatus for measuring thermal and other quantities of substances	—	1986-10-14

John A. Bonnard — 5 Patents

Issued Patents All Time

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