David J. Urbanc

Follow

Person

Peoria, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for determining the position of a work implement
- Patent number 5,880,681
- Issue date Mar 9, 1999
- Caterpillar Inc.
- George Codina
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for determining the ratio of two signal repetition rates
- Patent number 4,405,990
- Issue date Sep 20, 1983
- Caterpillar Tractor Co.
- William Pickering
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dual element-single oscillator-ratio type digital transducer
- Patent number 4,370,891
- Issue date Feb 1, 1983
- Caterpillar Tractor Co.
- William Pickering
- G01 - MEASURING TESTING