Roadmaster brochure "Roadmaster Playsafe 4-Activity Swing Set Model 6140", date unknown but bracket sold one year before filing date of this application. |
Roadmaster brochure "Roadmaster Playsafe 6-Activity Swing Set Model 6160", date unknown but bracket sold one year before filing date of this application. |
Outdoor Play Equipment 1993 catalog (cover and two pages). |
Flexible Flyer.RTM. Company Spring 1993 catalog (cover and three pages). |
Roadmaster product brochure "Roadmaster Playsafe 4-Activity Swing Set Model 6140". |
Roadmaster product brochure "Roadmaster Playsafe 6-Activity Swing Set model 6160". |
Automobile Transmission Mechanism, Lubrication, and Tires, C. R. Strouse, p. 37. |