Richard E. Pfisterer — 3 Patents at Arch Development

Richard E. Pfisterer has been granted 3 US patents while listed as an inventor at Arch Development. The first was granted in 1984 and the most recent in August 1994. Richard E. Pfisterer ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Richard E. Pfisterer in Chicago, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5341291	Portable medical interactive test selector having plug-in replaceable memory	Michael F. Roizen, William Turcotte	1994-08-23
5025374	Portable system for choosing pre-operative patient test	Michael F. Roizen, William Turcotte	1991-06-18
4432041	Smoke penetrating emergency light	Richard M. Schultz	1984-02-14

Richard E. Pfisterer — 3 Patents

Issued Patents All Time

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