Harvey Steven Grodjesk

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Houston, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
AN IMPROVED FIRE-STOP INSERT
- Publication number 20210062502
- Publication date Mar 4, 2021
- RectorSeal, LLC
- Riley Archer
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
COMPRESSOR PAD AND METHOD OF FABRICATION
- Publication number 20190128562
- Publication date May 2, 2019
- RectorSeal, LLC
- Zhengyi Xu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
NORMALLY-OPEN BACKWATER VALVE WITH SUSPENDED FLAPPER
- Publication number 20170051493
- Publication date Feb 23, 2017
- THE RECTORSEAL CORPORATION
- Zhengyi Xu
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Apparatus and Methods for Restricting Access to a Gas Source
- Publication number 20130160503
- Publication date Jun 27, 2013
- THE RECTORSEAL CORPORATION
- Robert Martinelli
- B60 - VEHICLES IN GENERAL