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SMITH RANDALL C

Overview
  • Total Patents
    13
About

SMITH RANDALL C has a total of 13 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets basic communication technologies, consumer goods and electrical machinery and energy are AOKI ICHIRO, HOEGLUND LENNART H E and OK SANG JIN.

Patent filings in countries

World map showing SMITH RANDALL Cs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2
#3 Germany 1

Patent filings per year

Chart showing SMITH RANDALL Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Randall C 12
#2 Van Riezen Daniel A 1

Latest patents

Publication Filing date Title
US2012152089A1 Amplifier with selectable master control
DE102005033646A1 Vacuum tube power amplifier switchable between push-pull and single-ended configurations
US7412064B2 Presence control for guitar amplifier
US7193458B2 Power supply for guitar amplifier
US5208548A Programmable controls for vacuum tube preamplifier
US5168438A Selectable dual rectifier power supply for musical amplifier
US5091700A Amplifier with mains voltage reduction
CA1249346A Power amplifier with modified dynamic response
US4701957A Dual mode music instrument preamplifier
US4713624A Power amplifier with modified dynamic response
US4593251A Power amplifier capable of simultaneous operation in two classes
US4532476A Power amplifier capable of simultaneous operation in two classes
CA1180775A Power amplifier capable of simultaneous operation in two classes