Inventor
GILBERTSON DAVID J
US12 patents
⚠️ This page may combine multiple inventors who share the name “GILBERTSON DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMEAD MFG CO
6 patentsUSD744587SDec 1, 2015
File folder with multiple pockets
SMEAD MFG CO5 citations82
US9296247B2Mar 29, 2016
Multiple pocket folders and method of manufacture
SMEAD MFG CO6 citations71
USD739460SSep 22, 2015
Vertical pocket folder
SMEAD MFG CO3 citations60
US9902189B2Feb 27, 2018
Vertical pocket folder
SMEAD MFG CO1 citations50
US9114597B1Aug 25, 2015
Protected prong file fastener and method of manufacture
SMEAD MFG CO1 citations48
US9839937B1Dec 12, 2017
Method of making a powder coated protected prong file fastener
SMEAD MFG CO0 citations39
LINDELOF HAROLD PETER
3 patentsUS8747588B1Jun 10, 2014
Protected prong file fastener and method of making
LINDELOF HAROLD PETER2 citations58
US8746314B1Jun 10, 2014
Protected prong file fastener and method of manufacture
LINDELOF HAROLD PETER1 citations47
US8414211B1Apr 9, 2013
Protected prong file fastener
LINDELOF HAROLD PETER1 citations47