John T. Keller — 4 Patents at Technicare

John T. Keller has been granted 4 US patents while listed as an inventor at Technicare. The first was granted in 1980 and the most recent in February 1988. John T. Keller ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John T. Keller in Willoughby, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4727328	Patient handling arrangements for NMR imaging systems	Robert L. Carper	1988-02-23
4673880	Phase sensitive detection in multislice magnetic resonance imaging systems	Russell A. Compton, Thomas R. McBride, David M. Kramer	1987-06-16
4223353	Variable persistance video display	Robert H. Wake	1980-09-16
4206654	Video display control for diagnostic scanners	Lawrence P. Madson, Richard P. Kolman	1980-06-10