NORMAN C SPONG has a total of 13 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and machines are EJOT AUSTRIA GMBH & CO KG, SUZHOU MEI RUI DE CONSTRUCTION DECORATION CO LTD and SHENZHEN BAUING CONSTR GROUP CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 4 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines |
# | Technology | |
---|---|---|
#1 | General building constructions | |
#2 | Finishing work on buildings | |
#3 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Burson Harry H | 13 |
Publication | Filing date | Title |
---|---|---|
US2283167A | Clip assembly for wall structures | |
US2298251A | Wallboard mounting | |
US2279898A | Wall construction | |
US2236258A | Clip for wall construction | |
US2237777A | Wall construction | |
US2226368A | Clip for wallboards | |
US2173094A | Clip for wallboards | |
US2227570A | Clip for wallboards | |
US2172358A | Attaching means for wallboards and studdings | |
CA398194A | Wall clip | |
CA388596A | Clip for wall boards | |
CA394879A | Clip for wall boards | |
CA388597A | Clip for wall boards |