WILLIAM H JOHNSTON LAB INC has a total of 11 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, biotechnology and measurement are IONICON ANALYTIK GES M B H, TRUWEAL INC and SANG IL SYSTEM CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Germany | 2 | |
#3 | United Kingdom | 2 | |
#4 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Biotechnology | |
#3 | Measurement |
# | Technology | |
---|---|---|
#1 | Electric discharge tubes | |
#2 | Microbiology | |
#3 | Geophysics |
# | Name | Total Patents |
---|---|---|
#1 | Vestal Marvin L | 5 |
#2 | Johnston William H | 2 |
#3 | Waters J R | 1 |
#4 | L Vestal Martin | 1 |
#5 | Rosenstock Henry M | 1 |
#6 | Wahrhaftig Austin L | 1 |
#7 | Vestal Marvin Leon | 1 |
#8 | Manfred Krause | 1 |
Publication | Filing date | Title |
---|---|---|
GB1222049A | Method and apparatus for detecting bacterial presence | |
DE1274248B | Device for multi-stage electron multiplication | |
GB1072276A | Improvements in and relating to electron multipliers | |
US3265916A | Focused mesh electron multiplier | |
US3307033A | Coincidence mass spectrometer with electrostatic means to separate positive and negative ions and detectors and method of use | |
US3255352A | Radioactive method of detection of hidden explosives | |
US3163752A | Ion acceleration apparatus for coincidence time-of-flight mass specrometers | |
US3151269A | Source of ionizing beam | |
US2999157A | Method and apparatus for ionization investigation |