Keywords: Patent 3,337,098.png en Camping trailer patent by Lloyd Jay Bontrager http //www google com/patents id 1AB0AAAAEBAJ pg PA6 dq Lloyd+J +Bontrager source gbs_selected_pages cad 0_1 U S Patent Office - inventor Lloyd Jay Bontrager Filed Oct 1 1965; Finalized April 9 1968 U S Patent this is a crop of the original drawing tight around the edge Template PD-US-patent and there is no assertion of copyright on any part of the patent or image satisfying the restriction <br/> Modification crop of image GFDL cc-by-sa-all PD-USGov U S Patent drawings |