Roger S. Johnson — 2 Patents at Cipher Data Products

Roger S. Johnson has been granted 2 US patents while listed as an inventor at Cipher Data Products. The first was granted in 1987 and the most recent in February 1989. Roger S. Johnson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roger S. Johnson in Del Mar, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4809099	Transport for tape cartridge with leader block	John F. Murphy, William M. Barton, Jr., Lynn C. Jacobs, Jeffrey S. McGee, William F. Netzeband +1 more	1989-02-28	$1,329,000
4704645	Transport for tape cartridge with leader block	John F. Murphy, William M. Barton, Jr., Lynn C. Jacobs, Jeffrey S. McGee, William F. Netzeband	1987-11-03	$1,358,000

Roger S. Johnson — 2 Patents

Issued Patents All Time

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