JOHNSON LEONARD T has a total of 11 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement are HULBURT JOAN, MCFARLANE MFG COMPANY and KOGA SHIGEO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Measurement |
# | Technology | |
---|---|---|
#1 | Weighing |
# | Name | Total Patents |
---|---|---|
#1 | Johnson Leonard T | 11 |
Publication | Filing date | Title |
---|---|---|
US2119106A | Weighing scale | |
US1698501A | Scale | |
US1767213A | Scale mechanism | |
US1483888A | Weighing mechanism | |
US1474039A | Weighing mechanism | |
US1375636A | Scale | |
US1401704A | Scale | |
US1369815A | Scale | |
US698509A | Price-scale. | |
US706239A | Price-scale. | |
CA219285A | Weighing mechanism |