DS

David Spencer

CI Clement Clarke International: 11 patents #1 of 11Top 10%
Pitney Bowes: 5 patents #279 of 1,308Top 25%
Disney: 5 patents #2,657 of 6,686Top 40%
SO Sony: 2 patents #12,963 of 25,231Top 55%
📍 Commerce, MI: #4 of 110 inventorsTop 4%
🗺 Michigan: #2,385 of 86,293 inventorsTop 3%
Overall (All Time): #137,980 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11076774 Device with flow rate indicator Ronald Bruin, Mark Sanders 2021-08-03
11013871 Drug delivery inhaler devices Ronald Bruin, Mark Sanders 2021-05-25
10665132 Training device Ronald Bruin, Mark Sanders 2020-05-26
D864423 Insert strip for shingled roofs 2019-10-22
D851288 Insert for roof shingle or tile Mark Edgson 2019-06-11
9962508 Drug delivery inhaler devices Ronald Bruin, Mark Sanders 2018-05-08
D797922 Spacer for inhaler Mark Sanders, Ronald Bruin 2017-09-19
D778432 Spacer for inhaler Mark Sanders, Ronald Bruin 2017-02-07
9499988 Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roof Laurie Anne Spencer, Mark Edgson 2016-11-22
9427534 Drug delivery inhaler devices Ronald Bruin, Mark Sanders 2016-08-30
D744636 Spacer for inhaler Mark Sanders, Ronald Bruin 2015-12-01
9117209 Method and system for using a camera cell phone in transactions Pradeep Das 2015-08-25
9103124 Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roof Laurie Anne Spencer, Mark Edgson 2015-08-11
7788870 Method and roofing strip for retarding moss, fungi, and algae growth on roofs 2010-09-07
7774283 Method and system for using a camera cell phone in transactions Pardeep K Das 2010-08-10
6957766 Envelope with enhanced opening capabilities and method therefor Pradeep Das, Ronald P. Sansone 2005-10-25
6888085 Method and system for detection of contaminants in mail Pradeep Das 2005-05-03
6781078 System and method for identifying potentially life harming mailpieces in an incoming mail stream Pradeep Das, John W. Sussmeier, Gregory P. Skinger 2004-08-24
6626846 Ventilatory capacity meters 2003-09-30
6238352 Inhalation testing method and means Robert Gillings 2001-05-29
D434684 Inspiratory flow meter 2000-12-05
5708527 Video gateway having movable screens William G. Adamson, Gordon E. Liljegren, Michael Peterson, Christopher B. Smith, Donald L. Updyke, Jr. +1 more 1998-01-13
5623878 Dynamic ride vehicle Anthony W. Baxter, David G. Fink, William Gibbens Redmann, Jon Hayes Snoddy, Scott F. Watson 1997-04-29
5583844 Programming device and method for controlling ride vehicles in an amusement attraction William L. Wolf, William Gibbens Redmann, Jon Hayes Snoddy, Scott F. Watson 1996-12-10
5403238 Amusement park attraction Anthony W. Baxter, David G. Fink, William Gibbens Redmann, Jon Hayes Snoddy, Scott F. Watson +1 more 1995-04-04