US Patent No. 2,416,037, granted 18 February 1947 to Marvin H. Mead of Savannah, Georgia, for a screened enclosure used to rear silkworms outdoors. The enclosure has a wooden frame set in concrete, an inner fine-mesh wire fabric against insects, and an outer coarse wire fabric spaced away from it against birds and animals. Four sheets of drawings (Figs. I-X) show the frame joints, doorway, and cross-sections, followed by the description, four claims, and a list of references cited.

US Patent No. 1,096,116, granted to Marvin H. Mead of Passaic, New Jersey, on May 12, 1914, for apparatus used in raising silkworms outdoors on living mulberry branches. The specification describes mesh pouches, cylinders and larger tree enclosures made of organdie, cotton bobinet and wire gauze, which protect the worms from parasites, birds and wasps while letting them feed on growing leaves. It also covers a reinforced mesh fabric, fastening devices, orchard arrangements and staggered hatching schedules. Two sheets of drawings (Figs. 1-14) and three claims are included.