L. Harvey Barclay

UN Unknown: 1 patents #29,356 of 83,584Top 40%

VC Valco Instruments Company: 1 patents #12 of 16Top 75%

Overall (All Time): #2,232,557 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
6322750	Gas detector indicator strip providing enhanced dynamic range	—	2001-11-27
6030436	Permeation tube for delivering fluid at a constant flow rate independent of ambient temperature variations	—	2000-02-29