Mark A. Risberg — 2 Patents at Kohler

Mark A. Risberg has been granted 2 US patents while listed as an inventor at Kohler. The first was granted in 1987 and the most recent in September 1991. Mark A. Risberg ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mark A. Risberg in Sheboygan, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5046201	Pressurized flush toilet tank	Michael D. Steinhardt, John M. Bloemer	1991-09-10
4646370	Shroud for lavatory trap	Tobin H. Spooner	1987-03-03

Mark A. Risberg — 2 Patents

Issued Patents All Time

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