Oil level gauge

Oil level gauge guide device

Oil level gauge guide structure

Oil level indicator for an engine with an integral spring for es

Oil level monitoring device for automotive automatic power trans

Plumb bob device for determining the bed height of bulk material

Portable draft measurement device and method of use therefor

Self wiping dipstick

Stick mate/gauge stabilizer

Streamlined freeboard measuring device

Suspended-cable apparatus for measuring level of material in a s

Swivel head counter

Swivel type dipstik

Temperature sensitive dipstick

Topographic measuring device

Transmission fluid fill regulator and seal assembly

Variable length dipstick

Water depth apparatus