Bob Rullman

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Bob Rullman, 1958

Robert George Rullman (b. July 17, 1928 in Elmhurst, IL – d. July 11, 2014) was an engineer who joined Tektronix in 1958.

He had a Graduate Degree in Engineering from MIT.

He was a member of the Tek Flying Club and a Ham Radio operator (callsign W1SNR).

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Tek Products

  • Project lead for the development of the Tektronix 544, 546, and 547 scopes.

Products by Bob Rullman

Manufacturer Model Description Designers Introduced
Tektronix 546 50 MHz oscilloscope Bob Rullman Keith Taylor John Gates Gene Kauffman George Smith 1964
Tektronix 544 50 MHz oscilloscope Bob Rullman Keith Taylor John Gates Gene Kauffman George Smith 1964
Tektronix 547 50 MHz oscilloscope Bob Rullman Keith Taylor John Gates Gene Kauffman George Smith 1964

Components by Bob Rullman

Patents by Bob Rullman

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3253225A US 3253225A Hybrid amplifier circuit Oliver Dalton Bob Rullman Tektronix Inc 1962-04-26 1966-05-24
Patent US 3138764A US 3138764A Ramp generator employing comparator circuit for maintaining constant starting voltages for different timing resistors Oliver Dalton Bob Rullman Tektronix Inc 1962-07-09 1964-06-23

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