David Manthei

DCDraper Shade & Screen Co.: 1 patents #2 of 2Top 100%

New Castle, IN: #2 of 3 inventorsTop 70%

Indiana: #372 of 1,697 inventorsTop 25%

Overall (1994): #144,911 of 165,921Top 90%

1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5323831	Retention system for operable flexible shades	—	1994-06-28