Just what you've always wanted - a web trail of a retired over-the-hill bald guy.
Tuesday, October 16, 2007
Today in History - 1928
Marvin Pipkin patented the frosted electric light bulb. Pipkin developed a process for etching the inside of a lamp bulb with acid, using a two-step process so that the lamp would not be excessively weakend. In 1947 a silica coating process also invented by Pipkin replaced the etching.