Robert Drymalski

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Steering mechanism and method for a manually powered vehicle
- Patent number 7,753,386
- Issue date Jul 13, 2010
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Manually powered vehicle having improved steering
- Patent number 7,195,264
- Issue date Mar 27, 2007
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Manually powered drive mechanism and vehicle employing same
- Patent number 6,764,089
- Issue date Jul 20, 2004
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
MANUALLY POWERED DRIVE MECHANISM WITH STEERING MEMBER AND VEHICLE E...
- Publication number 20100264621
- Publication date Oct 21, 2010
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Steering mechanism and method for a manually powered vehicle
- Publication number 20070246905
- Publication date Oct 25, 2007
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Manually powered vehicle having improved steering
- Publication number 20050087952
- Publication date Apr 28, 2005
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Manually powered drive mechanism and vehicle employing same
- Publication number 20030178807
- Publication date Sep 25, 2003
- Robert Drymalski
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS