Layne S. Leishman

PD Product Research And Development: 3 patents #4 of 8Top 50%

📍 Tecate Mission Road, CA: #470 of 2,121 inventorsTop 25%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,297,568 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D323999	Highway delineator guidepost	—	1992-02-18
5028166	Highway guidepost	—	1991-07-02
5020605	Post driver and methodology	—	1991-06-04
4848569	Apparatus and method for disposing of contaminated needles	—	1989-07-18