Tonernews.com, November 29, 2006. USA
Kentucky patents
The U.S. Patent Office issues patents weekly. These patents were issued Tuesday for inventors in the Lexington area:
Method
and apparatus for effecting synchronous pulse generation for use in
variable-speed serial communications. Inventors: David Crutchfield,
Timothy Rademacher and Galen Rasche, all of Lexington. Patent 7,139,344
assigned to Lexmark International Inc., Lexington.Toner housing plug
with toner level sensor. Inventors: Benjamin Askren, Peter Bayerle and
Donn Bryant, all of Lexington. Patent 7,139,505 assigned to
Lexmark.Two-part cartridges with force biasing by printer. Inventors:
Philip Carter, Julia Fain and Mark Foster, all of Lexington. Patent
7,139,510 assigned to Lexmark.