DM

David D. McClanahan

KN Knoll: 1 patents #7 of 13Top 55%
📍 Harleysville, PA: #3 of 51 inventorsTop 6%
🗺 Pennsylvania: #403 of 7,891 inventorsTop 6%
Overall (2019): #56,522 of 560,194Top 15%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D871011 Lobby Dustpan Adam H. Serfas, Robert L. Serfas 2019-12-24
10405657 Bracket mechanism for pre-fabricated office enclosure beams and method of using the same James Harrison McKenzie, James Eldon, Christopher Bender 2019-09-10
10201262 Lobby dustpan Adam H. Serfas, Robert L. Serfas 2019-02-12
10173814 Bottle with storable flexible spout Alecia S Lue 2019-01-08