HALL FRANK L has a total of 11 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, machine tools and audio-visual technology are SAKURAI DAISUKE, PANG MENGZHI and ASTI GLOBAL INC TAIWAN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Semiconductors | |
#2 | Machine tools | |
#3 | Audio-visual technology | |
#4 | Optics | |
#5 | Chemical engineering | |
#6 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Hall Frank L | 11 |
#2 | Baerlocher Cary J | 1 |
Publication | Filing date | Title |
---|---|---|
US2006113291A1 | Method for preparing ball grid array substrates via use of a laser | |
US2213002A | Wheel machining apparatus | |
US2152380A | Wheel machining apparatus |