U.S. federal trademark · Serial No. 74107163
prisms, hand levels
machetes, scales, triangles, protractors and leather paper weights, leather machete sheaths, tripods, tribrach adapters (to hold measuring accessories on tripods), prism poles, prism bags, leather sheaths to hold plum bobs, leather radio holsters, stake bags (to hold wooden stakes)
field books (books for recording field notes by surveyor)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.