HALL JOHN R has a total of 13 patent applications. Its first patent ever was published in 1956. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets transport, machines and audio-visual technology are LIN WEN-TSAN, LIAO GORDON and DG MFG LLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 2 | |
#3 | Australia | 1 | |
#4 | EPO (European Patent Office) | 1 | |
#5 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Machines | |
#3 | Audio-visual technology | |
#4 | Packaging and shipping | |
#5 | Machine tools | |
#6 | Furniture and games | |
#7 | Consumer goods | |
#8 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Hall John R | 13 |
#2 | Epps Charles R | 1 |
Publication | Filing date | Title |
---|---|---|
US5593271B1 | Convertible barrow for ground level loading | |
US5211400A | Golf putting aid | |
US4901877A | Bee proof beverage container | |
US3434294A | Method and apparatus for forming concrete piles | |
US3358540A | Vinyl wall covering cutter | |
US3143689A | Magnetic recording tape erasure apparatus | |
US2811052A | Saw gullet angle indicator | |
CA550541A | Saw gullet angle indicator |