C D TUSKA COMPANY has a total of 12 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets electrical machinery and energy, machines and telecommunications are E T CUNNINGHAM, HAMMARLUND MFG COMPANY INC and UNIVERSAL MFG CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 1 | |
#3 | France | 1 | |
#4 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Telecommunications | |
#4 | Basic communication technologies | |
#5 | Mechanical elements | |
#6 | Consumer goods |
# | Name | Total Patents |
---|---|---|
#1 | Tuska Clarence D | 6 |
#2 | Miner Robert S | 2 |
#3 | Neal Chester T | 1 |
#4 | Spencer Percival H | 1 |
#5 | Ross Walter C | 1 |
#6 | Denton Tuska Clarence | 1 |
Publication | Filing date | Title |
---|---|---|
US1601141A | Tuning apparatus | |
US1646890A | Binding post | |
GB213911A | Improvements in or relating to thermionic amplifiers | |
US1516897A | Pantograph engraving tool | |
US1630859A | Circuit system for radiofrequency currents | |
US1630874A | Mold for variometers | |
US1630873A | Variometer | |
US1609006A | Variable condenser | |
US1527617A | Dial knob | |
US1525836A | Variometer coil and method of making same | |
CA262472A | Radio circuit system |