R L CRAIN LTD has a total of 13 patent applications. Its first patent ever was published in 1954. It filed its patents most often in Canada and United States. Its main competitors in its focus markets textiles and paper, packaging and shipping and machines are SPIEGEL MAY STERN CO, JOSEPH ZALKIND and UARCO INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 11 | |
#2 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Textiles and paper | |
#2 | Packaging and shipping | |
#3 | Machines | |
#4 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Copy machines | |
#2 | Handling thin material | |
#3 | Unspecified technologies | |
#4 | Books |
# | Name | Total Patents |
---|---|---|
#1 | Dorrow Henry E | 5 |
#2 | Crain Harold F | 2 |
#3 | Dorrow H Eldon | 2 |
#4 | Wright Duane H | 1 |
#5 | Wilmore Jack C | 1 |
#6 | Wright Duane | 1 |
#7 | Dorrow H | 1 |
Publication | Filing date | Title |
---|---|---|
CA937905A | Envelope assembly with insert material | |
US3112125A | Continuous form marginal connections | |
US2875689A | Strip printer and burster | |
CA794233A | Continuous form library index cards | |
CA609031A | Strip severing machine | |
CA790434A | Manifold envelope assembly | |
CA651774A | Continuous from marginal connections | |
CA812209A | Feed means for wave guide | |
CA846952A | Glueing of forms | |
CA733869A | Side deleaver | |
CA898125A | Process and feed means for producing a manifolded form | |
CA804877A | Matching document and stub and method and apparatus for printing same | |
CA795210A | Matching document and stub and method and apparatus for printing same |