PLASTERGON WALL BOARD COMPANY has a total of 12 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, textiles and paper and macromolecular chemistry and polymers are CALLAN JOHN G, WESTFIELD RIVER PAPER COMPANY and MEADOWS W R INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 4 |
# | Name | Total Patents |
---|---|---|
#1 | John Fletcher | 8 |
#2 | Fletcher John | 4 |
Publication | Filing date | Title |
---|---|---|
US2291616A | Method of coating webs | |
US2125286A | Building construction | |
US2130530A | Coating of fibrous surfaces | |
US2086862A | Wallboard | |
US2089087A | Wallboard | |
US2067910A | Coating composition and method for production thereof | |
US2047957A | Coated article | |
US2010015A | Fire resisting article and method of making same | |
CA384019A | Fibrous surface coating method | |
CA377020A | Coated metal article | |
CA375374A | Wall board | |
CA370261A | Coating composition |