David A. Maurer

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Muskegon, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Mop assembly and cart
- Patent number 7,160,044
- Issue date Jan 9, 2007
- 3M Innovative Properties Company
- John J. Dyer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Mop assembly and cart
- Patent number 6,854,912
- Issue date Feb 15, 2005
- 3M Innovative Properties Company
- John J. Dyer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Cart with snap-locking members
- Patent number 5,531,464
- Issue date Jul 2, 1996
- Raymond N. Maurer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Laundry cart apparatus
- Patent number 5,294,009
- Issue date Mar 15, 1994
- David A. Maurer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
MOP ASSEMBLY AND CART
- Publication number 20070140774
- Publication date Jun 21, 2007
- 3M Innovative Properties Company
- John J. Dyer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Mop assembly and cart
- Publication number 20050135864
- Publication date Jun 23, 2005
- 3M Innovative Properties Company
- John J. Dyer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
MOP ASSEMBLY AND CART
- Publication number 20040247370
- Publication date Dec 9, 2004
- John J. Dyer
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS