Inventor
BUTLER ANDREW G
US13 patents
⚠️ This page may combine multiple inventors who share the name “BUTLER ANDREW G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOOLZ LTD
5 patentsUS6542304B2Apr 1, 2003
Laser beam device with apertured reflective element
TOOLZ LTD61 citations95
US6741343B2May 25, 2004
Level with angle and distance measurement apparatus
TOOLZ LTD22 citations92
US6459483B1Oct 1, 2002
Level with angle and distance measurement apparatus
TOOLZ LTD30 citations92
US6878954B2Apr 12, 2005
Detecting tool orientation, alignment, depth, and leveling
TOOLZ LTD42 citations91
US6657788B2Dec 2, 2003
Methods and apparatus for laser device adjustment
TOOLZ LTD18 citations91
DWBH VENTURES LTD
3 patentsWEDGE INNOVATIONS INC
3 patentsUS4912662AMar 27, 1990
Inclinometer
WEDGE INNOVATIONS INC103 citations91
US5335190AAug 2, 1994
Inclinometer which is rescalable through the use of multiple angles
WEDGE INNOVATIONS INC48 citations90
US5134780AAug 4, 1992
Inclinometer with rail having a hollow I-shaped cross-section
WEDGE INNOVATIONS INC31 citations89