Inventor · disambiguated record
David M. Crookham
Also filed as: CROOKHAM DAVID · CROOKHAM DAVID M
15 granted patents·1 pending application·423 citations·filing 1991–2015
94Inventor score
Top patents by PatentIndex Score
16 records- 0194US5207747AMobile lighting systemMUSCO CORP·Filed 1991·Granted May 4, 1993·122 cites·38 claims
- 0293US8194914B1Encoding and decoding data into an image using identifiable marks and encoded elementsSKOGG NICOLE S·Filed 2007·Granted Jun 5, 2012·65 cites·16 claims
- 0392US8094870B2Encoding and decoding data in an imageCROOKHAM DAVID M·Filed 2007·Granted Jan 10, 2012·34 cites·20 claims
- 0483US7182547B1Bollard lampACUITY BRANDS INC·Filed 2005·Granted Feb 27, 2007·23 cites·12 claims
- 0582US8462986B2Encoding and decoding data in an image for social networking communicationCROOKHAM DAVID M·Filed 2011·Granted Jun 11, 2013·4 cites·23 claims
- 0681US7077598B1Bollard and method of mountingACUITY BRANDS INC·Filed 2005·Granted Jul 18, 2006·10 cites·7 claims
- 0780US6464196B1Apparatus and method for a temporary spread footingMUSCO CORP·Filed 1998·Granted Oct 15, 2002·42 cites·54 claims
- 0877US7325998B2Bollard lampACUITY BRANDS INC·Filed 2006·Granted Feb 5, 2008·13 cites·1 claims
- 0977US5944413AApparatus and method for moveable lightingMUSCO CORP·Filed 1997·Granted Aug 31, 1999·48 cites·28 claims
- 1072US7246782B2Apparatus and method for a temporary spread footingMUSCO CORP·Filed 2004·Granted Jul 24, 2007·14 cites·34 claims
- 1172US5313378AMobile lighting systemMUSCO CORP·Filed 1993·Granted May 17, 1994·34 cites·12 claims
- 1259USD607592SCombined bollard and light fixtureABL IP HOLDING LLC·Filed 2007·Granted Jan 5, 2010·9 cites·1 claims
- 1352US8971566B2Marketing campaign platformSPYDER LYNK LLC·Filed 2013·Granted Mar 3, 2015·0 cites·21 claims
- 1446US9336474B2Identification and purchasing platformCROSSBOARD MOBILE LLC·Filed 2015·Granted May 10, 2016·0 cites·20 claims
- 1546USD572397SCombined bollard and light fixtureACUITY BRANDS INC·Filed 2005·Granted Jul 1, 2008·5 cites·1 claims
- 1646US2002179788A1Apparatus and method for a temporary spread footingFiled 2002·Application pending·0 cites
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