Internet-Only Manuals (IOMs) The Internet-only Manuals (IOMs) are a replica of the Agency's official record copy. They are CMS' program issuances, day-to-day operating instructions, policies, and procedures that are based on statutes, regulations, guidelines, models, and directives.
In 1905, Mogridge created the first crude protective head gear and was granted patent No. 780899 for a head protector.. This first attempt at a batting helmet was said to look like an inflatable boxing glove that wrapped around the hitters head..
DEET was first developed by the U.S. Department of Agriculture for military use in 1946 and was first registered in the United States in 1957. It has been estimated that approximately 38 percent of the U.S. population uses DEET-containing repellents annually (Veltri et al., 1994; Selim et al., 1995).