GS

Gregory Sprishen

DC Drug Plastics & Glass Company: 12 patents #2 of 28Top 8%
📍 Collegeville, PA: #83 of 630 inventorsTop 15%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #420,955 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9187220 Child-resistant cap and container assembly Frederick N. Biesecker, William Gordon Knestrick, III 2015-11-17
8777032 Child-resistant cap and container assembly Frederick N. Biesecker, William Gordon Knestrick, III 2014-07-15
8590719 Two piece child resistant closure that is easy to open and/or manufacture William Gordon Knestrick, III 2013-11-26
D674697 Bottle cap Frederick N. Biesecker, Stewart Swiss 2013-01-22
D666495 Dosage cap Frederick N. Biesecker, William Gordon Knestrick, III, Chris Cotellese 2012-09-04
D663202 Bottle closure Frederick N. Biesecker, William Gordon Knestrick, III 2012-07-10
D597840 Bottle cap Frederick N. Biesecker 2009-08-11
D546181 Container closure Frederick N. Biesecker 2007-07-10
D513585 Bottle closure Frederick N. Biesecker, Donald Rochow 2006-01-17
D511457 Container closure with handle Frederick N. Biesecker, Donald Rochow 2005-11-15
6854613 Container and child-resistant closure system Frederick N. Biesecker, Jason Robinson 2005-02-15
D391485 Bottle Frederick N. Biesecker 1998-03-03