SELLSTROM MFG COMPANY has a total of 25 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets medical technology, consumer goods and optics are 100% SPEEDLAB LLC, BOWERS FREDERICK M and DANSAC AS.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 15 | |
#2 | Canada | 8 | |
#3 | Switzerland | 1 | |
#4 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Medical technology | |
#2 | Consumer goods | |
#3 | Optics | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Implantable devices | |
#2 | Hats | |
#3 | Unspecified technologies | |
#4 | Spectacles |
# | Name | Total Patents |
---|---|---|
#1 | Anderson Marshall N | 16 |
#2 | Flood Oscar S | 4 |
#3 | Sellstrom Melvin H | 2 |
#4 | Roe Clifford L | 2 |
#5 | Anderson Marshal N | 1 |
#6 | Gunz Stefan | 1 |
#7 | Anderson Philip R | 1 |
#8 | Lemke Kenneth P | 1 |
#9 | Somen Daniel Ryan | 1 |
#10 | Ghisleni Livio | 1 |
Publication | Filing date | Title |
---|---|---|
WO2008094320A1 | Protective headgear assembly | |
CH694318A5 | Face protection. | |
US3368221A | Eye-protecting device | |
US3257667A | Face-protecting device | |
US3133141A | Adjustable temple for eyeglasses | |
US3156922A | Cradle attachment for head protective equipment | |
US2533547A | Ventilated lens ring | |
US2568882A | Adjustable frame | |
US2511234A | Adjustable headband | |
US2440596A | Welder's helmet | |
US2410256A | Welders' helmet | |
US2398269A | Protector | |
US2288664A | Industrial goggles | |
US2270028A | Welder's mask | |
US1909796A | Goggles | |
US1893617A | Portable guard | |
US1885426A | Helmet | |
CA298071A | Helmet | |
CA483074A | Adjustable frames | |
CA437052A | Welder's helmet |