Inventor

KEMPEL DOUGLAS

US5 patents

Patents

5 patents

US7663879B2Feb 16, 2010

Protective enclosure for personal digital assistant case having integrated back lighted keyboard

OTTER PRODUCTS LLC253 citations98

USD581421SNov 25, 2008

PDA case

OTTER PRODUCTS LLC217 citations98

US7230823B2Jun 12, 2007

Protective membrane for touch screen device

OTTER PRODUCTS LLC414 citations98

US7449650B2Nov 11, 2008

Multi-directional activation button

OTTER PRODUCTS LLC131 citations97

USD557264SDec 11, 2007

Alphanumeric keypad

OTTER PRODUCTS LLC111 citations96