Here are some trademarked words and phrases and when Meyer trademarked them:

Electrolift Trademark - 1964 (First use Sept. 1938)
Original M Meyer Snowplows - 1964 IMG_1741.jpg
Power Angling - 1966 (Sales Literature says July 1, 1963)
Sno Flo (Deflector) -1966
Sno-Flo Paint - 1973
Current Meyer Logo - 1979 (replaced M logo)MeyerLogoBlackandWhite_smbmp.jpg
Slik Stik - 1989
EZ Vector - 1997
Nite Saber - 1998
MD II - 2000
Hydraflush - 2003
Xpress - 2004
EZ Mount Plus - 2004
Super V - 2006
High Rider - 2015 (this is the new Standard Operating System "SOS" Plow)

~Admin