Robert Johnston — 3 Patents at General Motors

Robert Johnston has been granted 3 US patents while listed as an inventor at General Motors. The first was granted in 1995 and the most recent in February 2008. Robert Johnston ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Johnston in Davison, MI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7335341	Method for securing ceramic structures and forming electrical connections on the same	Thomas Hubert Van Steenkiste, Joseph V. Mantese, Bob Li, Pertrice Auguste Wethey, David Emil Nelson	2008-02-26
5427722	Pressure slip casting process for making hollow-shaped ceramics	Richard Fouts	1995-06-27
5421300	Torch jet spark plug	Harold Durling, Kaius K. Polikarpus	1995-06-06

Robert Johnston — 3 Patents

Issued Patents All Time

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